Question

Radius of base of a cylinder is 20cm and its height is 13cm,find its curved surface area and total surface area.(π=3.14)

Answer 1

I hope it will help you.

Answer 2

Answer:

$\textrm{Total surface area} = 4144.8\ cm^2$

Step-by-step explanation:

Given,

Radius of cylinder,R = 20 cm

Height of cylinder,h = 13 cm

According to the formula of total surface area of cylinder, total surface area of the cylinder can be given by

$A =\ 2.\pi.R.h\ +\ 2.\pi.R^2$

  $=(\ 2.\pi.20.13\ +\ 2.\pi.20^2)\ cm^2$

   $=\ (1632.8\ +\ 2512)\ cm^2$

    $= 4144.8\ cm^2$

Hence the total surface area of the cylinder with radius of base, 20 cm and height, 13 cm will be $4144.8\ cm^2$