选择题
2012 AMC 8 Problem 25: Inscribed Tilted Square
A square with area 4 is inscribed in a square with area 5, with each vertex of the smaller square on a side of the larger square. A vertex of the smaller square divides a side of the larger square into two segments, one of length a, and the other of length b. What is the value of ab?
A.
1/5
B.
2/5
C.
1/2
D.
1
E.
4