Question

The volume of a right circular cylinder with base radius r and height 3units is then find the volume of a right circular cone with same base radius r and
height 3 cm.

Answer 1

Given : the volume of a right circular cylinder with base radius r and height 3 units is 3 pie r square,  

To Find :  find the volume of right circular cone with same base radius r and height 3cm

Solution:

Volume of cylinder = π(radius)²Height

Volume of Cone = (1/3) π(radius)²Height

Volume of Cone = (1/3) Volume of cylinder for same base radius and height

volume of a right circular cylinder  = πr²(3)  = 3πr²  cubic units

volume of right circular cone (1/3) πr²(3) = πr²  cm³

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Answer 2

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The volume of a right circular cylinder with base radius r and height 3units is then find the volume of a right circular cone with same base radius r and

height 3 cm.

$\large\bold{\red{\boxed{\red{\underline{\blue{\underline{\green{\underline{\pink{\mathtt{Given}}}}}}}}}}}$

Height = 3 CM

RADIUS= r

$\large\bold{\red{\boxed{\red{\underline{\blue{\underline{\green{\underline{\green{\mathtt{Formula}}}}}}}}}}}$

Volume of a cone= πr²h/3

$\large\bold{\red{\boxed{\red{\underline{\blue{\underline{\green{\underline{\purple{\mathtt{Explanation}}}}}}}}}}}$

Volume of the cone= πr²h/3

= 22/7×r²×3/3 cm³

= 22r²/7 cm³