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Find the perimeter of the region - WAEC Mathematics 1991 Question

Find the perimeter of the region

A
22cm
B
33cm
C
40cm
D
47cm
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Correct Option: C

P = (\pi)r + (\pi)r + R = (\frac{22}{7}) x 7 + (\frac{22}{7}) x (\frac{7}{2}) + 7

P = 22 + 11 + 7 = 40cm

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