# How long is the radius if the diameter is: a) 38 m? b) 5 cm? c) 8.9 m?

2
by keithearl733

2015-05-21T19:05:48+08:00

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The diameter of a circle is twice the radius so we just divide the given by 2.
a) 19 m
b) 2.5 cm
c) 4.45 m
2015-05-22T12:45:28+08:00

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
The diameter is always twice the radius, so:
a)r=38 m
d=2(38 m)
d=76 m

b)r=5 cm
d=2(5 cm)
d=10 cm

c)r=8.9 m
d=2(8.9 m)
d=17.8 m

Hope this helps =)