EM-2250

Volume and surface area of solids

E Math · Secondary 4 · Medium · Volume and surface area of solids

A conical cup has radius 3 cm and height 7 cm. Using

\pi = 3.142

, find the volume of the cup, in

\text{cm}^3

, correct to the nearest whole number. (Use

V = \tfrac{1}{3}\pi r^2h

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