alainabbyboo22
If the diameter of a circle measures 16 in., what is the length of the radius?
A. 8 in.
B. 16 in.
C. 9 in.
D. 28 in.



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Kamille
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Diametr is 2r
d=2r
16=2r:2
8=r

alainabbyboo22
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so is it 16 or 8 ?

alexxxis
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Diameter is just twice the radius so 16 divided by 2 is 8, A.

alainabbyboo22
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thank you !

alexxxis
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Anytime! :)