Question

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Answer 1

For trapezoid: a=6 b=10
6+10=16 16/2=8 8x5=40
For rectangle: 5x10=50
50+40=90

Answer 2

90 square inches.

Explanation:

The total square shape has an area of 100 in but the corners are cut off. The corner is a triangle with the dimension of 5x2. Area for a triangle is 1/2bh so 1/2(5x2)=5. Two corners are cut off so 5x2 is 10. Subtract the triangles from your original square. 100-10=90.