Question #e76c1

1 Answer
Fleur
Jul 10, 2017

#14pi + 28#

Explanation:

Since the circumference of a circle is equal to #2pir#, the arc length of a semicircle would be #(2pir)/2#, or just #pir#.

#pir = pi*14 = 14pi#

The length of the base would just be the diameter.

#d = 2r = 2*14 = 28#

The perimeter of the semicircle is #14pi + 28#.

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