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Quadrilaterals
Chapter 8 Vocabulary
Word | Definition |
---|---|
diagonal | a segament that joins two nonconsecutive vertices of a polygon |
parallelogram | a quadrilateral with both pairs of opposite sides parallel |
rhombus | a parallelogram with four congruent sides |
rectangle | a parallelogram with four congruent angles |
square | a parallelogram with four congruent sides and four congruent angles |
trapezoid | a quadrilateral with exactly one pair of parallel sides, called bases. the nonparallel sides are legs |
base angles | either pair of angles whose common side is a base of a trapezoid |
base | the parallel sides of a trapezoid |
legs | the nonparallel sides of a trapezoid |
isosceles trapezoid | a trapezoid with congruent legs |
midsegent of a trapezoid | a segment that connects the midpoints of the legs of a trapezoid |
kite | a quadrilateral that has two pairs of consecutive congruent sides, but in which opposite sides are not congruent |