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Classifying Shapes
Classifying 2D Shapes
| Term | Definition |
|---|---|
| attribute | a quality or characteristic belonging to something |
| congruent | having the same shape and size |
| polygon | a closed figure formed by three or more line segments |
| quadrilateral | a four sided polygon |
| rectangle | a quadrilateral with four right angles and opposite side are equal; 2 sets of parallel sides |
| square | A parallelogram with four congruent sides and four right angles; 2 sets of parallel sides |
| trapezoid | A quadrilateral with exactly one pair of parallel sides |
| parallelogram | a quadrilateral with two pairs of parallel sides |
| rhombus | a parallelogram with four congruent sides; 2 sets of parallel sides |
| scalene triangle | a triangle with no congruent sides |
| isosceles triangle | a triangle with two equal sides |
| equilateral triangle | a triangle with three congruent sides |
| acute triangle | a triangle with three acute angles |
| right triangle | a triangle with one right angle |
| obtuse triangle | a triangle with one obtuse angle |
| parallel lines | lines in the same plane that do not intersect |
| perpendicular lines | lines that intersect to form right angles |
| hierarchy | a group organized by rank |
Created by:
troberts11
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