105,521 views
45 votes
45 votes
A circle has a diameter of 8 cm. What is the circumference? Round to
the nearest hundredth.

User Chris Bolton
by
2.8k points

2 Answers

14 votes
14 votes

Explanation:

area of a cicle is π
r^(2)

the diameter is twice as long as the radius so the radius would have a length of 4 cm.

π
4^(2)=50.27

Hope that helps :)

User Pipalia
by
3.1k points
22 votes
22 votes

Answer:

C≈25.13cm

Explanation:

C=πd=π·8≈25.13274cm

d=2r

C=2πr

(hope this helps)

User Sarkouille
by
2.8k points