Question

R=7cm and h=5cm. find C.S.A and T.S.A of cylinder

Answer 1

CSA of cylinder=πr^2h
22/7 ×7 ×7 × 5=770cm^2
TSA=2πr(r+h)
2×22/7×7(7+5)
44×12
528cm^2
hope it helps:)

Answer 2

CSA of cylinder=2πrh
$= 2 \times \frac{22}{7} \times 7 \times 5 \\ = 44 \times 5 \\ = 220{cm}^{2}$
TSA Of cylinder=2πr(r+h)
$= 2 \times \frac{22}{7} \times 7(7 + 5) \\ = 44 \times 12 \\ = 520 {cm}^{2}$
I hope it helps you.