Question

What is the approximate perimeter of a semicircle with a radius of 6 cm?

Use pi star times = 3.14.
Express your final answer to the nearest hundredth.

PLZ HELP @Bookworm14

Answer 1

@Bookworm14

Answer 2

i think it is 18.84

Answer 3

i need to make sure

Answer 4

use pi=3.14

Answer 5

I agree :)

Answer 6

how

Answer 7

I need to be sure

Answer 8

can u help me

Answer 9

so a semi-circle is half of a regular circle so first find your circumference (which is your distance around the WHOLE circle)

2 * 6 * pi = 37.68 (this is for the WHOLE circle)

now you only need half for a semi circle

37.68 / 2 = 18.84 !!

Answer 10

after this

Answer 11

thx

Answer 12

your welcome :)