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Standard IX

Mathematics

Volume of a right circular cylinder

A cylindrical...

Question

A cylindrical water tank has a base of radius $2.1$ m and its height is $10$ m. What quantity of water will it hold?

137.475 m^{3}

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138.474 m^{3}

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136.474 m^{3}

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135.474 m^{3}

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Solution

The correct option is C $138.474 m^{3}$
Given, radius $= 2.1 m$ and height $= 10 m$
Volume of cylindrical water tank $=$ $π r^{2} h$
$∴ V = 3.14 \times 2.1 \times 2.1 \times 10$
$∴ V = 138.474 m^{3}$

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A cylindrical water tank has a base of radius 2.1 m and its height is 10 m. What quantity of water will it hold?

The correct option is C 138.474m3Given, radius =2.1 m and height =10 m Volume of cylindrical water tank = πr2h∴V=3.14×2.1×2.1×10∴V=138.474 m3

A cylindrical water tank has a base of radius $2.1$ m and its height is $10$ m. What quantity of water will it hold?

The correct option is C $138.474 m^{3}$
Given, radius $= 2.1 m$ and height $= 10 m$
Volume of cylindrical water tank $=$ $π r^{2} h$
$∴ V = 3.14 \times 2.1 \times 2.1 \times 10$
$∴ V = 138.474 m^{3}$