Question

Find the radius of a cone with volume 45.19 cm3 and height 7.5 cm.
Answer

1.2 cm

2.4 cm

2.6 cm

4.8 cm

Answer 1

@AkashdeepDeb are you gonna reply yet

Answer 2

Volume of a cone = \[\frac{1}{3} \pi r^2 h = 45.19~~~~~~[Given]\]
\[r = 7.5 cm\]
\[\frac{1}{3} \pi (7.5)^2 h = 45.19\]

Now can you find 'h' ?

HINT: Re-arrange the equation.

Are you getting this? :)