Question

If the radii of the circular ends of bucket in the form of frustum are 28 cm and 7 cm

Answer 1

hey mate...

CSA of frustum=
$\pi(r1 + r2)l$
TSA of frustum=
$\pi(r1 + r2)l \: +2 \pi \: r {}^{2}$
hope that this Will help you

Answer 2

So what is your question. You did'd compete it..