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Maths-

General

Easy

Question

A funnel is in the shape of a right circular cone with a base radius of 3 cm and a height of 4 cm. Find the slant height of the funnel

4 cm
5 cm
7 cm
7.5 cm

hint Hint:

Slant height L = $square root of n squared plus r squared end root$
where h is height
r is radius of base of cone

The correct answer is: 5 cm

We have given the dimensions of funnel in the shape of cone
Radius, r = 3 cm
Height, h = 4 cm
Let us find the slant height
L = $square root of h squared plus r squared end root$
L = $square root of 4 squared plus 3 squared end root$
= $square root of 16 plus 9 end root$
= $square root of 25$
L = 5 cm
Therefore, the correct option is b) 5 cm.

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