Question

The radius and height of a right circular cone are 60degree and 15cm respectively then find its height and slant height.​

Answer 1

Answer:

Vertical angle of the right circular cone = 60 degree

radius of the cone (r) = 15 cm

In the triangle ABC ∠ABC = 30°

BC = 15 cm

Opposite side (BC) = 15 cm

Adjacent side (AB) = ?

Hypotenuse side (AC) = ?

from here we need to find the measurement of the side AC. So we have to use Sinθ.

Sin θ = Opposite side/Hypotenuse side

Sin 30° = BC/AC

(1/2) = 15/AC

AC = 30 cm

Slant height (L) = 30 cm

Step-by-step explanation:

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