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Mathematics, 29.12.2019 11:31 Chealyn

What is the best approximation for the perimeter of a semicircle with a diameter of 12 cm?

use 3.14 to approximate pi.

18.84 cm

30.84 cm

61.68 cm

75.36 cm

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What is the best approximation for the perimeter of a semicircle with a diameter of 12 cm?
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