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  • 23-08-2020
  • Mathematics
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Find the arc length of the semicircle.
Either enter an exact answer in terms of it or use 3.14 for IT and enter your answer as a decimal.

Find the arc length of the semicircle Either enter an exact answer in terms of it or use 314 for IT and enter your answer as a decimal class=

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musiclover10045
musiclover10045 musiclover10045
  • 23-08-2020

A semicircle is a half of a circle.

Find the circumference of a full circle then divide in half.

Circumference = pi x r x 2

Circumference = 3.14 x 9 x 2 = 56.52

Semicircle = 56.52/2 = 28.26

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