116k views
5 votes
A circle has a diameter of 8 cm. What is the circumference? Round to
the nearest hundredth.

2 Answers

4 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 Igor Gatis
by
8.3k points
4 votes

Answer:

C≈25.13cm

Explanation:

C=πd=π·8≈25.13274cm

d=2r

C=2πr

(hope this helps)

User George Simms
by
7.5k points

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