Find shaded regions
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Area of the square:10×6+16
10×22=220
Area of the small triangle:5×4/2
20/2=10
Area of the big triangle:5×6/2
30/2=15
Area of triangles:10+15=25
If you subtract the area of the triangle from the area of the square, you'll find the painted area.
220-25= 195 = find shaded region
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