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Mathematics 7 Online
Jahiem:

Joel used candle moulds, as shown, to make candles that were perfect cylinders and spheres: A cylindrical mould is shown, the radius of the top circular section of the cylinder is labelled 2 inches and the height of the cylinder is labelled as 3 inches. On the right side of this mould is a spherical mould. The radius of this spherical mould is labelled as 2 inches. What is the approximate difference in the amount of wax needed to make a candle from each of these moulds? (Use π = 3.14.) 4.19 cubic inches 10.4 cubic inches 12.56 cubic inches 20.93 cubic inches

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