Question

What is the approximate circumference of a circle with a radius of 40 inches? Use π ≈ 3.14.

A.
125.6 inches

B.
251.2 inches

C.
502.4 inches

D.
5024 inches

Answer 1

$$
C=2\pi r
$$
Plug in the value for radius, r ,and calculate.

Answer 2

Approximate \(2\pi\) as just 6.

Answer 3

so B is the answer

Answer 4

Why?

Answer 5

i ment A

Answer 6

Why?

Answer 7

The formula to find the circumference of a circle using a given radius is C = 2πr
Figure it out from there. If you've got a calculator use it.

Answer 8

i got it the answer is B am i right

Answer 9

@jessnicegirl13 Yes, good job.