Mathematics

Grade9

Easy

Question

Calculate the volume of this composite figure.

512 cm³
798.08 cm³
646 cm³
584.82 cm³

hint Hint:

Volume of the Composite figure = volume of cube + volume of hemisphere

The correct answer is: 646 cm³

Volume of cube is

Volume = 8³

= 512 centimeters³
Volume of hemisphere is
Volume $equals fraction numerator 2 cross times 3.1416 cross times 4 cubed over denominator 3 end fraction$
$equals fraction numerator 2 cross times 3.1416 cross times 64 over denominator 3 end fraction equals fraction numerator 402.1239 over denominator 3 end fraction$
Volume = 134 cm³
Volume of empty space = 512 + 134
= 646

Find the volume of the sphere with the radius of 205 inches. Use 3.14 for pi.

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MathematicsGrade9

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Can’t find what you’re looking for?

Calculate the volume of this composite figure.

512 cm3798.08 cm3646 cm3584.82 cm3

Volume of the Composite figure = volume of cube + volume of hemisphere

The correct answer is: 646 cm3

Volume of cube isVolume = 83= 512 centimeters3Volume of hemisphere isVolume Volume = 134 cm³Volume of empty space = 512 + 134= 646

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512 cm³
798.08 cm³
646 cm³
584.82 cm³

The correct answer is: 646 cm³