Question

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

Answer 1

\(C=2\pi r\)

Answer 2

2*3.14*35?

Answer 3

B. 219.8

Answer 4

Remember it is a semi circle (Only 1/2 of a circle)

Answer 5

That is the process Linn.

Answer 6

Ah, I missed that. So yes, the half part is very important!

Answer 7

it be c then :D

Answer 8

i feel soo smart :D

Answer 9

That would make stephanie0712's choice very wrong.

Circle: \(C=2\pi r\)
Semi-Circle (Half-circle): \(C=\dfrac{2\pi r}{2}=\pi r\)

Answer 10

the replys went in a diffrent order o.o

Answer 11

Yah, the lag does funny things at times. Yes, it is c.