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GEOMETRY
Recognizing rays, lines, and line
segments:https://www.khanacademy.org/math/geometry/intro_euclid/e/recognizing_rays_lines_
and_line_segments
Drawing rays, lines, and line
segments:https://www.khanacademy.org/math/geometry/intro_euclid/e/drawing-lines
Points, lines, and
planes:https://www.khanacademy.org/math/geometry/intro_euclid/e/points_lines_and_planes
Geometric definitions:https://www.khanacademy.org/math/geometry/intro_euclid/e/geometricdefinitions
Measuring angles:https://www.khanacademy.org/math/geometry/parallel-and-perpendicularlines/Angle_basics/e/measuring_angles
Angle types:https://www.khanacademy.org/math/geometry/parallel-and-perpendicularlines/Angle_basics/e/angle_types
Understanding angles:https://www.khanacademy.org/math/geometry/parallel-andperpendicular-lines/Angle_basics/e/understanding-angles
Vertical angles:https://www.khanacademy.org/math/geometry/parallel-and-perpendicularlines/ang_intro/e/vertical_angles
Equation practice with vertical angles:https://www.khanacademy.org/math/geometry/paralleland-perpendicular-lines/ang_intro/e/vertical_angles_2
Congruent angles:https://www.khanacademy.org/math/geometry/parallel-and-perpendicularlines/ang_intro/e/congruent_angles
Parallel lines 1:https://www.khanacademy.org/math/geometry/parallel-and-perpendicularlines/ang_intro/e/parallel_lines_1
Equation practice with congruent angles:https://www.khanacademy.org/math/geometry/paralleland-perpendicular-lines/ang_intro/e/parallel_lines_2
Line and angle proofs:https://www.khanacademy.org/math/geometry/parallel-and-perpendicularlines/ang_intro/e/line-and-angle-proofs
Finding angle measures 1:https://www.khanacademy.org/math/geometry/parallel-andperpendicular-lines/triang_prop_tut/e/angles_1
Finding angle measures 2:https://www.khanacademy.org/math/geometry/parallel-andperpendicular-lines/triang_prop_tut/e/angles_2
Angles of a polygon:https://www.khanacademy.org/math/geometry/parallel-and-perpendicularlines/triang_prop_tut/e/angles_of_a_polygon
Complementary and supplementary
angles:https://www.khanacademy.org/math/geometry/parallel-and-perpendicularlines/complementary-supplementary-angl/e/complementary_and_supplementary_angles
Equation practice with angle addition:https://www.khanacademy.org/math/geometry/paralleland-perpendicular-lines/complementary-supplementaryangl/e/complementary_and_supplementary_angles
Exploring rigid transformations and
congruence:https://www.khanacademy.org/math/geometry/congruent-triangles/transformationscongruence/e/exploring-rigid-transformations-and-congruence
Defining congruence through rigid
transformations:https://www.khanacademy.org/math/geometry/congruenttriangles/transformations-congruence/e/defining-congruence-through-rigid-transformations
Congruency postulates:https://www.khanacademy.org/math/geometry/congruenttriangles/cong_triangle/e/congruency_postulates
Congruent triangles 1:https://www.khanacademy.org/math/geometry/congruenttriangles/cong_triangle/e/congruent_triangles_1
Congruent triangles 2:https://www.khanacademy.org/math/geometry/congruenttriangles/cong_triangle/e/congruent_triangles_2
Recognizing triangle types:https://www.khanacademy.org/math/geometry/congruenttriangles/isoscleles_equil/e/recognizing-triangles
Triangle angles 1:https://www.khanacademy.org/math/geometry/congruenttriangles/isoscleles_equil/e/triangle_angles_1
Exploring angle-preserving transformations and
similarity:https://www.khanacademy.org/math/geometry/similarity/similarity-andtransformations/e/exploring-angle-preserving-transformations-and-similarity
Defining similarity through angle-preserving
transformations:https://www.khanacademy.org/math/geometry/similarity/similarity-andtransformations/e/defining-similarity-through-angle-preserving-transformations
Similar triangles
1:https://www.khanacademy.org/math/geometry/similarity/triangle_similarlity/e/similar_triangles_
1
Similar triangles
2:https://www.khanacademy.org/math/geometry/similarity/triangle_similarlity/e/similar_triangles_
2
Solving similar triangles
1:https://www.khanacademy.org/math/geometry/similarity/triangle_similarlity/e/solving_similar_tr
iangles_1
Solving similar triangles
2:https://www.khanacademy.org/math/geometry/similarity/triangle_similarlity/e/solving_similar_tr
iangles_2
Solving problems with similar and congruent
triangles:https://www.khanacademy.org/math/geometry/similarity/cc-solving-prob-similartri/e/solving-problems-with-similar-and-congruent-triangles
Pythagorean
theorem:https://www.khanacademy.org/math/geometry/right_triangles_topic/pyth_theor/e/pytha
gorean_theorem_1
Pythagorean theorem word
problems:https://www.khanacademy.org/math/geometry/right_triangles_topic/pyth_theor/e/pytha
gorean-theorem-word-problems
Pythagorean theorem
proofs:https://www.khanacademy.org/math/geometry/right_triangles_topic/pythagorean_proofs/
e/pythagorean-theorem-proofs
Special right
triangles:https://www.khanacademy.org/math/geometry/right_triangles_topic/special_right_trian
gles/e/pythagorean_theorem_2
Trigonometry 0.5:https://www.khanacademy.org/math/geometry/right_triangles_topic/ccgeometry-trig/e/trigonometry_0.5
Trigonometry 1:https://www.khanacademy.org/math/geometry/right_triangles_topic/ccgeometry-trig/e/trigonometry_1
Trigonometry 1.5:https://www.khanacademy.org/math/geometry/right_triangles_topic/ccgeometry-trig/e/trigonometry_1.5
Trigonometry 2:https://www.khanacademy.org/math/geometry/right_triangles_topic/ccgeometry-trig/e/trigonometry_2
Applying right triangles:https://www.khanacademy.org/math/geometry/right_triangles_topic/ccgeometry-trig/e/applying-right-triangles
Trigonometric functions and side ratios in right
triangles:https://www.khanacademy.org/math/geometry/right_triangles_topic/cc-geometry-trigsimilarity/e/trigonometric-functions-and-side-ratios-in-right-triangles
Area of triangles:https://www.khanacademy.org/math/geometry/basicgeometry/perimeter_area_tutorial/e/area_of_triangles_1
Area of triangles 2:https://www.khanacademy.org/math/geometry/basicgeometry/perimeter_area_tutorial/e/area-of-triangles-2
Shaded areas:https://www.khanacademy.org/math/geometry/basicgeometry/perimeter_area_tutorial/e/shaded_areas
Triangle inequality theorem:https://www.khanacademy.org/math/geometry/basicgeometry/triangle_inequality_theorem/e/triangle_inequality_theorem
Radius, diameter, and circumference:https://www.khanacademy.org/math/geometry/basicgeometry/circum_area_circles/e/radius_diameter_and_circumference
Area of a circle:https://www.khanacademy.org/math/geometry/basicgeometry/circum_area_circles/e/area_of_a_circle
Area of parallelograms:https://www.khanacademy.org/math/geometry/basicgeometry/area_non_standard/e/area_of_parallelograms
Area of trapezoids, rhombi, and kites:https://www.khanacademy.org/math/geometry/basicgeometry/area_non_standard/e/areas_of_trapezoids_rhombi_and_kites
Area of quadrilaterals and polygons:https://www.khanacademy.org/math/geometry/basicgeometry/area_non_standard/e/area-of-quadrilaterals-and-polygons
Nets of 3D figures:https://www.khanacademy.org/math/geometry/basicgeometry/volume_tutorial/e/nets-of-3d-figures
Surface area using nets:https://www.khanacademy.org/math/geometry/basicgeometry/volume_tutorial/e/surface-area
Surface area:https://www.khanacademy.org/math/geometry/basicgeometry/volume_tutorial/e/surface-areas
Solid geometry:https://www.khanacademy.org/math/geometry/basicgeometry/volume_tutorial/e/solid_geometry
Surface and volume density word
problems:https://www.khanacademy.org/math/geometry/basicgeometry/volume_tutorial/e/surface-and-volume-density-word-problems
Volume word problems with cones, cylinders, and
spheres:https://www.khanacademy.org/math/geometry/basicgeometry/volume_tutorial/e/volume-word-problems-with-cones--cylinders--and-spheres
Slicing 3D figures:https://www.khanacademy.org/math/geometry/basic-geometry/crosssections/e/slicing-3d-figures
Cross sections of 3D objects:https://www.khanacademy.org/math/geometry/basicgeometry/cross-sections/e/cross-sections-of-3d-shapes
Rotate 2D shapes to make 3D objects:https://www.khanacademy.org/math/geometry/basicgeometry/cross-sections/e/rotate-2d-shapes-to-make-3d-objects
Circles and arcs:https://www.khanacademy.org/math/geometry/cc-geometrycircles/circles/e/circles_and_arcs
Areas of circles and sectors:https://www.khanacademy.org/math/geometry/cc-geometrycircles/circles/e/areas_of_circles_and_sectors
Inscribed angles 1:https://www.khanacademy.org/math/geometry/cc-geometry-circles/centralinscribed-circumscribed/e/inscribed_angles_1
Central, inscribed, and circumscribed angles:https://www.khanacademy.org/math/geometry/ccgeometry-circles/central-inscribed-circumscribed/e/central--inscribed--and-circumscribed-angles
Pythagorean theorem and the equation of a
circle:https://www.khanacademy.org/math/geometry/cc-geometry-circles/equation-of-acircle/e/pythagorean-theorem-and-the-equation-of-a-circle
Equation of a circle in factored form:https://www.khanacademy.org/math/geometry/cc-geometrycircles/equation-of-a-circle/e/equation_of_a_circle_1
Equation of a circle in non-factored form:https://www.khanacademy.org/math/geometry/ccgeometry-circles/equation-of-a-circle/e/equation_of_a_circle_2
Geometric descriptions of real world objects:https://www.khanacademy.org/math/geometry/ccgeometry-circles/geometric-models/e/geometric-descriptions
2D geometric models:https://www.khanacademy.org/math/geometry/cc-geometrycircles/geometric-models/e/2d-geometric-models
Angle bisector theorem:https://www.khanacademy.org/math/geometry/triangleproperties/angle_bisectors/e/angle_bisector_theorem
Quadrilateral types:https://www.khanacademy.org/math/geometry/quadrilaterals-andpolygons/quadrilaterals/e/quadrilateral_types
Quadrilateral angles:https://www.khanacademy.org/math/geometry/quadrilaterals-andpolygons/quadrilaterals/e/quadrilateral_angles
Symmetry of two-dimensional
shapes:https://www.khanacademy.org/math/geometry/transformations/transformationssymmetry/e/symmetry-of-two-dimensional-shapes
Properties of rigid
transformations:https://www.khanacademy.org/math/geometry/transformations/exploring-rigidtransformations/e/properties-of-rigid-transformations
Translations of
polygons:https://www.khanacademy.org/math/geometry/transformations/exploring-rigidtransformations/e/translations_of_points_and_polygons
Rotation of polygons:https://www.khanacademy.org/math/geometry/transformations/exploringrigid-transformations/e/rotation_of_polygons
Dilations:https://www.khanacademy.org/math/geometry/transformations/dilationsscaling/e/dilations
Performing transformations on the coordinate
plane:https://www.khanacademy.org/math/geometry/transformations/coordinate-planetransformations/e/performing-transformations-on-the-coordinate-plane
Qualitatively defining rigid
transformations:https://www.khanacademy.org/math/geometry/transformations/coordinateplane-transformations/e/qualitatively-defining-rigid-transformations
Quantitatively defining rigid
transformations:https://www.khanacademy.org/math/geometry/transformations/coordinateplane-transformations/e/quantitatively-defining-rigid-transformations
Transforming
polygons:https://www.khanacademy.org/math/geometry/transformations/coordinate-planetransformations/e/transforming-polygons
Geometry problems on the coordinate
plane:https://www.khanacademy.org/math/geometry/analytic-geometry-topic/geometryproblems-coordinate-pla/e/geometry-problems-on-the-coordinate-plane
Coordinate plane word problems with
polygons:https://www.khanacademy.org/math/geometry/analytic-geometry-topic/geometryproblems-coordinate-pla/e/coordinate-plane-word-problems-with-polygons
Distance formula:https://www.khanacademy.org/math/geometry/analytic-geometry-topic/ccdistances-between-points/e/distance_formula
Midpoint formula:https://www.khanacademy.org/math/geometry/analytic-geometry-topic/ccdistances-between-points/e/midpoint_formula
Dividing line segments:https://www.khanacademy.org/math/geometry/analytic-geometrytopic/cc-distances-between-points/e/dividing-line-segments
Compass constructions 1:https://www.khanacademy.org/math/geometry/geometricconstructions/geo-bisectors/e/constructions_1
Compass constructions 2:https://www.khanacademy.org/math/geometry/geometricconstructions/polygons-inscribed-in-circles/e/constructions_2
Inscribing and circumscribing circles on a
triangle:https://www.khanacademy.org/math/geometry/geometric-constructions/circum-incircles/e/inscribing_and_circumscribing_circles_on_a_triangle
Constructing a line tangent to a circle:https://www.khanacademy.org/math/geometry/geometricconstructions/constructing-tangents/e/constructions_3
Compass constructions 1:https://www.khanacademy.org/math/geometry/geometry-workedexamples/e/constructions_1