adulfy2000 adulfy2000

12-04-2021
Mathematics

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Area of a semicircle is 308cm. Find the perimeter

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samanthasummers12013 samanthasummers12013

12-04-2021

Answer:

72 cm

Step-by-step explanation:

Find the radius using the given information

308=1/2(πr^2)

r^2=616/π

r=14

The perimeter is πr + 2r so plug in 14

π(14) + 2(14)

43.96+28=71.96

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