Question

Find the CSA of cyclinder whose radius and height are 14cm, 21cm? ​

Answer 1

Answer:

1848cm^2

Step-by-step explanation:

CSA= 2×22/7×r×h

= 2×22/7×14×21

= 2×22×14×3

= 1848cm^2

Hope this helps.

Answer 2

Answer:

let h be the height and r be the radius of a cylinder.

since, CSA = 2πrh

=2×22/7×14×21

=88×21

= 1848 cm²