Question

in a right circular cone if perpendicular height is 12 cm and radius is 5 cm then find its slant height​

Answer 1

The answer is 13

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Answer 2

The slant height is 13 cm.

Step-by-step explanation:

Given : In a right circular cone if perpendicular height is 12 cm and radius is 5 cm.

To find : Its slant height​ ?

Solution :

Applying slant height formula,

$l=\sqrt{h^2+r^2}$

The height is h=12 cm

The radius is r=5 cm

Substitute the value in the formula,

$l=\sqrt{12^2+5^2}$

$l=\sqrt{144+25}$

$l=\sqrt{169}$

$l=13$

Therefore, the slant height is 13 cm.

#Learn more

Perpendicular height of a cone is 12 cm and its slant height is 13 cm find the radius of the base of the cone

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