Question

total surface area of closed cylinder having radius 7cm and height 13cm is​

Answer 1

Answer:

Height = 13 cm

Radius = 7 cm

$\pi \: r(r + h)$

22/7(7+13)

22/7(20)

440/7 cm²

62.85 cm²

Answer 2

answer:

T.S.A. of cylinder = 2πrh + 2πr²

= 2×22/7×7×13 + 2×22/7×7×7

= 880cm²