Answer:
A≈141.12
A=a+b/2(h)
141.12 cm^2
Explanation:
A = 1/2 (b1+b2)h where b1 = 10.2, b2 = 12.2 and h = 12.6
so
A = 1/2(10.2 + 12.2) * (12.6)
A = 1/2(22.4)(12.6)
A = 141.12 cm^2
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