Question

What is the approximate perimeter of a semicircle with a radius of 8 m?

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

PLEASE HELP! DON'T GUESS! I WILL GIVE MADAL!

Answer 1

@Bookworm14

Answer 2

hey up123

Answer 3

hey, nice pic

Answer 4

@Bookworm14

Answer 5

thanks found it in library dad did it thought cool

Answer 6

nice, Hi Book worm 14!

Answer 7

could you please help me?

Answer 8

so first find the circumference 2 times pi and radius

Answer 9

Hi! and yes I will :)

Answer 10

what do you believe it is?

Answer 11

okay

Answer 12

25.12

Answer 13

so 2*3.14*8 basically because in order to find the circumference you need to find 2 pi radius

Answer 14

is my answer, i want to be sure

Answer 15

and then divide by two to get 25.04

Answer 16

that what i got

Answer 17

k12.http.internapcdn.net/k12_vitalstream_com/CURRICULUM/329902/CURRENT_RELEASE/MS_PA_S2_03_09_WHB_circumference.htm

Answer 18

opps, not a link

Answer 19

so for this you will find you circumference which is 2 *8 * pi this equals 50.24
a semi-circle is half of a circle so

50.24/ 2= 25.12

Your Correct! :D

Answer 20

when I divided, i got 12.56

Answer 21

weird

Answer 22

really, YAY

Answer 23

thx

Answer 24

i got 25.04 weird

Answer 25

use google calculator, it helps :)

Answer 26

Your welcome and @ekim5095 did you use the pi button on a calculator?

Answer 27

wow really i used paper

Answer 28

lol 12 year old using aper old fashioned yeah

Answer 29

paper

Answer 30

I am 15 and I hate calculators so I almost always use pencil and paper unless i have to use the calc :)

Answer 31

lol same

Answer 32

I am 14, not to far off from u ;)

Answer 33

same, sometimes, but same

Answer 34

lol

Answer 35

perimeter of a semi circle=pi*radius+Diameter
=3.14*8+16
=25.12+16
=41.12 meter.

Answer 36

^^^ He's right I just took the test for anyone looking for answers