Download Point Exact Location Line Straight path that extends without end in

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Transcript 
Point
Exact Location
Line
Straight path that extends without
end in opposite directions.
Plane
Flat surface that extends without end
in all directions
Line Segment
A line made of 2 endpoints & all the
points between the endpoints.
Ray
1 endpoint; the other end extends
without end in only 1 direction.
Acute Triangle
3 acute angles (under 90°)
Obtuse Triangle
1 obtuse angle (greater than 90°)
Right Triangle
1 right angle (exactly 90°)
Scalene Triangle
No congruent sides
Isosceles Triangle
2 congruent sides
Equilateral Triangle
ALL 3 sides congruent
Quadrilateral
Plane figure with 4 sides & 4 angles
Parallelogram
Rectangle
Parallelogram with 4 right angles.
“Squashed Rectangle”
Opposite sides are parallel & congruent.
Opposite angles are congruent.
Rhombus
“Squashed Square”
Parallelogram with 4 congruent
sides.
Square
Rectangle with 4 congruent sides.
Trapezoid
Quadrilateral with exactly 2 parallel
sides. Can have 2 right angles.
Polygon
Closed plane figure formed by 3 or
more line segments.
Regular Polygon
Polygon with all sides congruent & all
angles congruent.
Pentagon
5 sided polygon
Hexagon
6 sided polygon
Heptagon
7 sided polygon
Octagon
8 sided polygon
Nonagon
9 sided polygon
Decagon
10 sided polygon
Line Symmetry
If a shape can be folded or reflected
so that the 2 parts of the figure
match or congruent.
Line of Symmetry
Line of reflection.
Congruent
Equal
Sides
Edges of a shape.
Vertices
The corners of a shape.
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