18= r/2 Find out what are is

2 answers:

6 0

18=r/2
Multiply by 2 on each side,
36=r
r=36
Hope this helps.

Zanzabum4 years ago

4 0

R = 36 because if you multiply 18 and 2, it gives you 36. If you check it to see if it's correct, then you would divide 36 by 2 to get 18.

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