the figure of the question no. 7 is (fig. 5)
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Step-by-step explanation:
=> we have 3 triangles ABC, ACD, AED
=> Area of pentagon = area of (ABC +ACD + AED)
=> Area of ABC = 1/2*(3)*(8) = 12 cm²
=> Area of ACD = 1/2*(7)*(15) = 52.5 cm²
=> Area of AED = 1/2*(5)*(15) = 32.5 cm²
=> Area of pentagon = 12+52.5+32.5
=> Area of pentagon = 97 cm²
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