Find the lengths of the diagonals of this trapezoid.

Question

trapezoid on a graph with points
(-a,0), (-b,c), (b,c), (a,0)

negative a and b are on the left side (a is on bottom and b is on top) and positive a and b are on the right side (a is on bottom and b is on top)

please please help me :(

Answer 1

http://www.jiskha.com/display.cgi?id=1326887669