A candle manufacturer sells cylindrical candles in sets of three. Each candle in the set is a different size. The smallest candle has a radius of 0.5 inches and a height of 3 inches. The other two candles are scaled versions of the smallest, with scale factors of 2 and 3. How much wax is needed to create one set of candles?
1) 27 cubic inches
2) 36 cubic inches
3) 53 cubic inches
4) 86 cubic inches
5) 98 cubic inches
please help me

Question

A candle manufacturer sells cylindrical candles in sets of three. Each candle in the set is a different size. The smallest candle has a radius of 0.5 inches and a height of 3 inches. The other two candles are scaled versions of the smallest, with scale factors of 2 and 3. How much wax is needed to create one set of candles?
1) 27  cubic inches
2) 36  cubic inches
3) 53  cubic inches
4) 86  cubic inches
5) 98  cubic inches
please help me

lena772 · Answer

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anonymous · Answer

To start with, use this formula...2*pi*r^2+2*pi*r*h

anonymous · Answer

0.5 inches and a height of 3 inches.
Plug in 0.5 for r (radius) and 3 for (height) in the formula to find the smallest candle