Question

You found that the value of r
2
is 9. What is the value of r?
r = ?Area Label Arrow
height = 4
Volume = 36π
Volume
=
Area of base · Height

V
=
πr
2
·h

36π
=
πr
2
· 4

36π
=
4π·r
2

4π
4π

9
=
r
2


=
r

Answer 1

To find the value of \( r \) given that \( r^2 = 9 \), we can take the square root of both sides:

\[
r = \sqrt{9}
\]

Therefore,

\[
r = 3
\]

So the value of \( r \) is \( 3 \).