Question

The
radius
and
height
of
a
cylinder
are
in
the
ratio
5
:
7
and
its
volume
is
550
cm
,
Find its radius.​

Answer 1

Answer:

Let radius (r) = 5x

height (h) = 7x

Volume = 550

therefore.,

22/7 * 5x * 5x * 7x = 550

x * x * x = 550 * 7 / 22 * 25 * 7

x³ = 1

x = 1

so

r = 5x

5×1 = 5cm