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Anonymous
24
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If 15 = r - 9, then r = 24.
Wiki User
-9
-8
25 to 150 = r to 75 25/150 = 1/6 1/6 times 75 equals r.
Surface Area = pi*r*s + pi*r*r = 3.14*2*9 + 3.14*2*2
15 and 24, respectively.