Question

Work out the surface area of this cylinder.
Radius-7 cm
Height-12 cm

Answer 1

226pi

Explanation:

2 * pi * 7 *(7+12)

Answer 2

The surface area of this cylinder. is 266π cm²

Explanation:

Surface Area of Cylinder (SA) = 2πrh+2πr²

since r = 7cm & h = 12 cm

Then SA = 2 π (7)(12) + 2π(7²)

SA = 168π + 98π

∴ SA = 266π cm²