Question

a cone has a volume of 810 cubic meters the area of the base is 90 square meters what is the height of the cone

Answer 1

V =  pi × r² × (h / 3)
A = pi × r²
90 = pi × r²

Substitute the volume:

810 = 90 × (h / 3)
810 = 30h
h= 810 ÷ 30
h = 27 meters