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

@72595210002

Answer 2

A

Answer 3

thnx @elementwielder

Answer 4

wrong.. D

Answer 5

equation is:
\[\frac{ \pi r^{2} }{ 2 }\]
insert 35 for radius

Answer 6

i'm confused so is it A or D

Answer 7

it is A

Answer 8

okay

Answer 9

pellet sorry wrong equation that is area

Answer 10

@elementwielder is wrong because he is showing you the area of a circle, nothing to do with the circumference of a semicircle.

What you need @jordanloveangle is notice that the circumference of a circle is:

\[C=2 \pi r\]

But a semicircle is half that.

Answer 11

C=2pi r

Answer 12

ya my bad

Answer 13

lol kk

Answer 14

so the actual answer is C

Answer 15

im sorry i got mixed up

Answer 16

oh okay okay thanx @elementwielder & @Kainui

Answer 17

your welcome

Answer 18

=) Glad we could help!