Chapter 6 Vocab
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Created by:
lindseyholly0918 on October 7, 2011
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16 terms
Terms | Definitions |
|---|---|
 polygon | Definition: a closed plane figure bounded by straight sides Sentence: Polygons are shapes. |
| Sides and vertices of a polygon | Definition: each endpoint of a side of a polgon, plural is vertices Sentence: You can have sides and vertices in a polygon. |
| Convex | Definition: curving or bulging outward Sentence: A polygon is convex if no line that contains a side of the polygon contains a point in the polygon. |
| Concave | Definition: curving inward Sentence: A polygon that is not convex is a called concave. |
| Equilateral | Definition: having all sides or faces equal Sentence: If a polygon's sides are the congruent it is called equilateral. |
| Equiangular | Definition: having all angles equal Sentence: A polygon is equiangular if all its interior angles are congruent. |
| Regular | Definition: Equilateral and equiangular Sentence: If a polygon is regular it is equilateral and equiangular. |
| Diagonal | Definition: A straight line connecting any two vertices of a polygon that are not adjacent Sentence: Diagonals are lines inside a triangle. |
| Parallelogram | Definition: A quadrilateral with two pairs of parallel sides Sentence: In addition to quadrilaterals we will learn about parallelogram. |
| Rhombus | Definition: a parallelogram with 4 congruent sides Sentence: Rhombuses are shapes in geometry. |
| Rectangle | Definition: A parallelogram with four right angles Sentence: A rectangles width is congruent and its height is congruent. |
| Square | Definition: A quadrilateral with 4 sides that are equal and has all 90 degree angles Sentence: A square has four congruent sides. |
| Trapezoid | Definition: a quadrilateral with exactly one pair of parallel sides Sentence: A trapezoid always has a parallel pair. |
| Isosceles trapezoid | Definition: a trapezoid with congruent legs Sentence: A isosceles trapezoid has two congruent sides. |
| midsegment of a trapezoid | Definition: A segment whose endpoints are the midpoints of the non-parallel sides of the trapezoid Sentence: A trapezoid can have a midpoint. |
| Kite | Definition: a quadrilateral with two pairs of adjacent, congruent sides Sentence: A kite is a term used in geometry. |
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