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# The figure shows three semicircles. Find (I) the perimeter (ii) the area, of the shaded region  candace08
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1) 87.92 cm

2) 615.44cm

Step-by-step explanation:

Circumference (C) = 2πr = πd (d=2r)

Area (A) = πr²

Use π ≈ 3.14

1. Given that d=28cm, substitute the given value for diameter to the formula for circumference:

⇒ C = (3.14)(28) cm = 87.92cm

2. Given that d=28cm, substitute the given value of diameter to the formula for finding the radius:

⇒ r = (½)(28) cm = 14cm

Then substitute the value of radius to the formula for area:

⇒ A = (3.14)(14)² cm = (3.14)(196) cm = 615.44cm  ### Other questions on the subject: Math Math, 28.10.2019, nelspas422
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