Question

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

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

Answer 1

@iGreen

Answer 2

@Data_LG2

Answer 3

see perimeter of circle = \[2\pi r\]
semicircle means half circle
u know wht do do next???

Answer 4

\(P = 2\pi r\)

Plug in 8 for 'r' and '3.14' for 'pi'.

Simplify

Answer 5

Afterwards, we divide by 2, since it's half a circle.

Answer 6

is 50.24 right?

Answer 7

no u need to divide it by 2...all bcoz its a semecircle..

Answer 8

Correct, now divide by 2.

50.24 / 2 = ?

Answer 9

25.12

Answer 10

Correct, that's our answer.

Answer 11

Thanks guys!

Answer 12

Is it ok if i tag you if i need anymore help?

Answer 13

* nearest hundredth.

Answer 14

ohh so it would be 25.1?

Answer 15

No..25.12 is correct.

Answer 16

25.12
^ Tenths place
25.12
^ Hundredths place

Answer 17

Ok thanks @iGreen