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# i need help

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Apr 9, 2021
edited by Guest  Apr 9, 2021

#1
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Hey there, Guest!

So the perimeter of a circle is also called the circumference.

$$C=2\pi r$$

$$2\pi 3$$

$$6\pi$$

$$6\pi/2$$$$=$$ 3pi cm

Hope this helped! :)

( ﾟдﾟ)つ Bye

Apr 9, 2021
#2
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Hello, Guest! The diameter of a semicircle is included in the perimeter too.

Perimeter = 3pi + 6 cm

Guest Apr 9, 2021