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A circle has diameter of 22cm what is the radius
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1 vote
A circle has diameter of 22cm what is the radius

User Nicolai Lissau
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2 Answers

3 votes
12cm, because radius is half of diameter
User Olu
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4.3k points
6 votes

The radius is
(1)/(2) (half) the diameter.

Since you know the diameter = 22 cm,
(1)/(2) of 22 = 11. So the radius = 11 cm

You could also use equations: (d = diameter r = radius)

d = 2r --->
r=(d)/(2) And plug in what you know

User Ruy Rocha
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4.8k points
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