What is the circumference of a circle with a radius of 0.8 m?
A. 0.64 pi m.
B. 0.8 pi m.
C. 1.6 pi m.
D. 2.56 pi m.

Plz show ur work

Question

What is the circumference of a circle with a radius of 0.8 m?
A.   0.64 pi m.
B.   0.8 pi m.
C.   1.6 pi m.
D.   2.56 pi m.

Plz show ur work

anonymous · Answer

WILL FAN AND MEDAL!

anonymous · Answer

Hi! So do you know the formula to find the circumference to a circle? If not it is this,
2 x pi x radius.

So the way you'd set up your equation is like this: 2 x pi x 0.8

You work out 2 times 0.8 which gives you: ?

anonymous · Answer

1.6

anonymous · Answer

Yep that's correct! Then you see in your multiple choice answers they have pi next to them which means you'll multiply 1.6 by pi but you don't have to do all that.

anonymous · Answer

ok thx soooo much, so its C then, right?