Question

slant height of a right circular cone is 13cm ,and its radius is 5cm.find it's vertical height.
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Answer 1

h=(under root (slant height)*2-(radius)*2)

Answer 2

It's vertical height is 12 cm

Step-by-step explanation:

Slant height of cone = l = 13 cm

Radius of cone = 5 cm

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

Substitute the values in the formula :

$13=\sqrt{h^2+5^2}$

$13^2=h^2+5^2$

$13^2-5^2=h^2$

$\sqrt{13^2-5^2}=h$

12 = h

Hence it's vertical height is 12 cm

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