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Mathematics

Grade9

Easy

Question

Barney wanted to know how much ice cream he got in one scoop. The radius of a scoop is 2 inches. Find the volume. Use 3.14 for pi.

345.3 in³
33.5 in³
25.1 in³
50.2 in³

hint Hint:

The scoop is a sphere.
The volume of a sphere is given by $4 over 3 cross times straight pi cross times left parenthesis radius right parenthesis cubed$

The correct answer is: 33.5 in³

Volume $equals 4 over 3 πr cubed$
$equals 4 over 3 cross times straight pi cross times 2 cubed$
= 33.5 inches³

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