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Geometry Content Guide SY 2016 -2017 January 3 - March 10 Quarter 3 (47 student days) District Testing: BOY-Beginning of the year MOY-Middle of the year EOY-End of the year NM PED End Of Course-EOC Topic/Name CCSS Math Days/Blocks G-CO.D.13 Construct an equilateral triangle, a square, and a regular hexagon inscribed in a circle. Topic 15 6 G-SRT.B.05 Use congruence and similarity criteria for triangles to solve problems and to prove Right triangle and trig relationships in geometric figures. relationships G-SRT.C.06 Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles. G-SRT.C.07 Explain and use the relationship between the sine and cosine of complementary angles. Weeks 1-2 G-SRT.C.08 Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.* Topic 16 This topic contains all + standards and may be taught in this course or in a subsequent course. 0-6 Trigonometry in general triangles G-SRT.D.09 (+) Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an Law of sines auxiliary line from a vertex perpendicular to the opposite side. Law of cosines G-SRT.D.10 (+) Prove the Laws of Sines and Cosines and use them to solve problems. Area G-SRT.D.11 (+) Understand and apply the Law of Sines and the Law of Cosines to find unknown measurements in right and non-right triangles (e.g., surveying problems, resultant forces). 6 blocks Week 2-3 G-CO.C.11 Prove theorems about parallelograms. Theorems include: opposite sides are congruent, Topic 17 5-7 Polygons and special quadrilaterals opposite angles are congruent, the diagonals of a parallelogram bisect each other, and conversely, rectangles are parallelograms with congruent diagonals. G-GPE.B.04 Use coordinates to prove simple geometric theorems algebraically. For example, prove or disprove that a figure defined by four given points in the coordinate plane is a rectangle; prove or Weeks 3-4 disprove that the point (1, sqrt[3]) lies on the circle centered at the origin and containing the point (0, 2). G-GPE.B.05 Prove the slope criteria for parallel and perpendicular lines and use them to solve geometric problems (e.g., find the equation of a line parallel or perpendicular to a given line that passes through a given point). G-GPE.A.01 Derive the equation of a circle of given center and radius using the Pythagorean Theorem; Topic 18 5-6 Algebraic representations of circles complete the square to find the center and radius of a circle given by an equation. G-MG.A.01 Use geometric shapes, their measures, and their properties to describe objects (e.g., modeling a tree trunk or a human torso as a cylinder).* Weeks 4-5 Topic 19 Chords, arcs, and inscribed angles Weeks 5-6 G-C.A.02 Identify and describe relationships among inscribed angles, radii, and chords. Include the relationship between central, inscribed, and circumscribed angles; inscribed angles on a diameter are right angles; the radius of a circle is perpendicular to the tangent where the radius intersects the circle. G-C.A.03 Construct the inscribed and circumscribed circles of a triangle, and prove properties of angles for a quadrilateral inscribed in a circle. 7 Topic 20 Lines and segments on circle G-C.A.02 Identify and describe relationships among inscribed angles, radii, and chords. Include the relationship between central, inscribed, and circumscribed angles; inscribed angles on a diameter are right angles; the radius of a circle is perpendicular to the tangent where the radius intersects the circle. G-C.A.04 (+) Construct a tangent line from a point outside a given circle to the circle. 6 G-GPE.B.07 Use coordinates to compute perimeters of polygons and areas of triangles and rectangles, e.g., using the distance formula.* G-MG.A.01 Use geometric shapes, their measures, and their properties to describe objects (e.g., modeling a tree trunk or a human torso as a cylinder).* G-MG.A.03 Apply geometric methods to solve design problems (e.g., designing an object or structure to satisfy physical constraints or minimize cost; working with typographic grid systems based on ratios).* Total Teaching Blocks/Days: 7 Weeks 6-7 Topic 21 Modeling with area Week 8 46