Answer:
112 in^2
Explanation:
First, split the shape into two parts. One, the square, and one the triangle.
The square: l^2 = 10^2 = 100in^2
The triangle: bh/2 = 6*4/2 = 12 in^2
So, totally it will be 112 in^2.(The 4 as the base was calculated by 10-6)