Question

PLs help me with this question!!!!!!!!
When inflated, a beach ball has a radius of 4.5 inches. Approximately how many cubic inches of air does it hold?
A.286
B.95
C.32
D.382

Answer 1

Answer:

The answer is D - 382

Step-by-step explanation:

The volume of a sphere can be calculated using this simple formula:

V = 4/3 x 3.14(pi) x r cubed(to the third)

So, V = 4/3 x 3.14 x 4.5 cubed

V = approximately 382

Answer 2

Answer:

382

Step-by-step explanation:

Radius = 4.5 inches

Note that the shape of the ball is a sphere

Volume of sphere = 4/3 πr³

Volume = 4/3 x 3.14 x 4.5 x 4.5 x 4.5

Volume = 1144.53 ➗ 3

Volume = 381.51 cubic inch

Approximately 382 cubic inch

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