AMC8 2011 Problem 16

Let A be the area of a triangle with sides of length 25,25 , and 30 . Let B be the area of a triangle with sides of length 25,25 , and 40 . What is the relationship between A and B ?

Answer Choices
A. A=\dfrac{9}{16} B
B. A=\dfrac{3}{4} B
C. A=B
D. A=\dfrac{4}{3} B
E. A=\dfrac{16}{9} B