A right circular cone has a base radius r cm and a vertical angle 2yo. The height of the cone is
-
A.
r tan yo cm -
B.
r sin yo cm -
C.
r cot yo cm -
D.
r cos yo cm -
E.
r cosec yo cm
Correct Answer: Option C
Explanation
(frac{r}{h}) = tan yo
h = (frac{r}{tan y^o})
= r cot yo