Question

the surface area of a solid sylinder of radius 2 cm and height 10 cm is equal to how much (mm)^2​

Answer 1

Answer:

Surface area=2pi*r*h +2pi*r^2

Where r=radius=2cm=20 mm

and h=height=10 cm=100mm

So.

Area =2*pi*20*100 + 2pi*(20)^2 (mm) ^2

=135771.43 (mm) ^2