can some people help with circumference? medal and fan

Question

anonymous · Answer

I can try..What do you need help with?

anonymous · Answer

What is the approximate circumference of a semicircle with a radius of 35 inches?
	
A.1923.25 inches
B.219.8 inches
C.109.9 inches
D.54.95 inches

anonymous · Answer

Circumference of a semicircle is basically half the circumference of the circle. 
Your formula would be $$C = 1/2 (2 \pi r)$$ If you don don't know where to plug it in your givens let me know.

anonymous · Answer

i dont know

anonymous · Answer

hey can i get that message later i have to go ill reply to it later.

anonymous · Answer

thanks for helping me though

anonymous · Answer

Ok so you use the formula. $$C = 1/2 (2 \pi r)$$ $$C = 1/2 ( 2 \pi 35)$$ $$C = 109.9$$ Therefore your answer would be 109.9 inches