Question

find the area of the curved surface and the total surface of a cylinder closed at both ends with base 8.4 cm and radius and height 57cm.(useπ=22/7​

Answer 1

Answer:

the answer is 221.6707776373

Answer 2

Answer:

CSA= 20422cm^2

TSA=40844cm^2

Step-by-step explanation:

CSA=2πrh

=2 ×22/7×57×57

=20,422 cm^2

TSA =CSA +2πr^2

=20422+2×22/7×57×57

=20422+20422

=40844cm^2