Trapezoids (Theorems 5-18/5-19) Flashcards
1
Q
What is a trapezoid?
A
A trapezoid is a quadrilateral with exactly one pair of parallel sides.
Bases - the parallel sides
Legs - other two sides
2
Q
What is the definition of an isosceles trapezoid?
A
A trapezoid with congruent legs.
3
Q
What is the definition of theorem 5-18?
A
Base angles of an isosceles triangle are congruent.
4
Q
What is the definition of the median of a trapezoid?
A
The segment that joins the midpoints of the legs of a trapezoid.
5
Q
What is theorem 5-19?
A
The median of a trapezoid;
(1) is parallel to the bases
(2) has a length equal to the average of the base lengths
