Question

the total surface area of a cylinder of radius 5cm is 660cm2 . find the height of the cylinder​

Answer 1

Answer:

hlo

I hope it helps you

Answer 2

Answer:

16 cm

Step-by-step explanation:

If r is radius and h is height of cylinder then total surface area will be 2*22/7*r^2 + 2*22/7*r*h = 660

or 2*22/7*5^2+2*22/7*5*h= 660

or 2*22/7*5(5+h)= 660

or 5+h=660*7/(2*22*5) = 21

hence h=21-5=16 cm