¶ 2005 AMC8 Problem 19
Problem:
What is the perimeter of trapezoid
Answer Choices:
A.
B.
C.
D.
E.
Solution:
By the Pythagorean Theorem, . (Or note that triangle is similar to a right triangle, so .)
Also and . The perimeter of the trapezoid is .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions