Find the area of section a, Mathematics

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The picture frame given below has outer dimensions of 8 in by 10 in and inner dimensions of 6 in by 8 in. Find the area of section A of the frame.

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a. 18 in2

b. 14 in2

c. 7 in2

d. 9 in2

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The area defined as section A is a trapezoid. The formula for the area 1/2 of a trapezoid is h(b+ b ).


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