Question

The total surface area of cylinder is 660 sq cm and its height is 16 cm. Its diameter is:

Answer 1

Step-by-step explanation:

We have,

TSA=660 cm

2

d=2r=14 cm

r=7 cm

We know that the total surface area of the cylinder

=2πrh+2πr

2

So,

2πrh+2πr

2

=660

2×

7

22

×7×h+2×

7

22

×7

2

=660

2×22×h+2×22×7=660

44×h+44×7=660

44(h+7)=660

h+7=15

h=8 cm

Hence, this is the answer.

Answer 2

Answer:

h is 8 cm plz mark as brainlist