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5 votes
If a circle has a radius of 6cm, what is the diameter? Show how you know.

User Doov
by
8.0k points

2 Answers

6 votes

Answer:

12

Explanation:

It's double the radius.

User Evan Friedland
by
8.6k points
2 votes

Answer:

d = 12cm

Explanation:

d=2r = 2·6 = 12cm

Maths keeps one mentally active. The circumference = 2*(pi)*r = 6 cm. Therefore r, the radius = 6 *7/(2*22) = 42/44 = 0.954 cm.

User Godidier
by
7.8k points

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