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Mathematics

Grade9

Easy

Question

Given a cone with the height of 2 cm and the base radius of 2 cm. Find the volume of this cone?

33 cm³
8.38 cm³
7cm³
16 cm³

hint Hint:

Use the formula of volume of cone.

The correct answer is: 8.38 cm³

Given that:
height of cone = 2 cm
base radius of cone = 2 cm
To find:
the volume of cone=?
Solution:
The volume of a cone is given by
V = $fraction numerator 1 over denominator 3 space end fraction πr squared h$
where
V = volume of cone
r = base radius of a cone
h = height of cone
Put the given values in the above equation
V = $fraction numerator 1 over denominator 3 space end fraction$ $cross times$ 3.14 $cross times$ 2 ² $cross times$ 2
V = 8.3775
V = 8.38 centimeters³
The volume of cone is 8.38 centimeters3.

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