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14-05-2022
Mathematics

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The radius of a semicircle is 9.1 centimeters. What is the semicircle's perimeter?

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Аноним Аноним

14-05-2022

Answer:

46.77 cm

Step-by-step explanation:

Perimeter of the semicircle = Circumference + 2r

πr + 2r = r (π + 2)
9.1 (3.14 + 2)
9.1 (5.14)
46.77 cm

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