Question

Find the perimeter: (use 3.14 for pi): circle with radius of r=1.7 mm The perimeter = _________ mm.

4.8
6.5
5.3
10.7

Answer 1

The answers is D) 10.7

Or approximately ≈ 10.68142

Explanation:

This is because we can simply use the formula for a circle to find the perimeter and then just switch out the variables.

C=2 π r

Now we switch it out

C=2 π 1.7

And we get...

≈ 10.68142

~Neo

Answer 2

10.7

Explanation:

C=2
`\pi`r

6.28 x 1.7

10.676≅10.7