Question

What is the area of this figure? A. 102 B. 132 C. 168 D. 340

Answer 1

Just simply use the calculation of a trapazium.
[ (6+7) + 21 ][6]
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2
that's the formula of a trapazium. add the top length and bottom length, multiply it by the height and divide all of them by 2.
now the answer should be A, 102.