The triangles are similar.
Area of large on is 1/2*2*2
area of small one 1/2 *3/2 * 3/2
Shaded region = 2 - 9/8
7/8 is the answer
Area of large on is 1/2*2*2
area of small one 1/2 *3/2 * 3/2
Shaded region = 2 - 9/8
7/8 is the answer
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