Question

A cylinder is 3m height is open at the top. The circumference of the base of 22cm find the total surface area

Answer 1

Let the base cylinder be r cm.

Therefore,

2πr=22

r= 7/2

h= 3 cm

TOTAL SURFACE AREA = 2πrh+πr^2

66 + 38.5

104.5 m2

hope this will help you :-))

Answer 2

answer is 3.916 by formula