Question

The radius of the base and slant height of a cone are 21cm and 35cm respectively. Find the height of the cone.

Answer 1

Answer:

28

Step-by-step explanation:

We know,

L^2=H^2+R^2

Then,

H^2 =L^2-R^2

Replacing values, we get,

H^2=35^2-21^2

H^2=1225-441

H=√(1225-441)=√784=28

Hope this helps