Question

Find the slant height of a cone whose diameter is 18 cm and height is 12 centimetre

Answer 1

Heya !!

Here's your answer.. ⬇⬇
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Diameter of cone ( d ) = 18cm
Radius of cone ( r ) = d/2
r = 9cm
Height of cone ( h ) = 12cm
Slant Height ( l ) = ?

r² + h² = l²
( 9 )² + ( 12 )² = l²
81 + 144 = l²

l² = 225
l = √225
l = 15 cm

Slant Height of cone is 15cm.
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Answer 2

Answer:

Diameter of cone ( d ) = 18cm

Radius of cone ( r ) = d/2

r = 9cm

Height of cone ( h ) = 12cm

Slant Height ( l ) = ?

r² + h² = l²

( 9 )² + ( 12 )² = l²

81 + 144 = l²

l² = 225

l = √225

l = 15 cm

Slant Height of cone is 15cm.