Question

A solid is in the form of a cylinder with hemispherical ends. The total height of the solid is 19 cm and the diameter of the cylinder is 7 cm. The surface area of the solid is

Answer 1

Answer:

Height of cylinder = 19cm

Diameter = 7cm

Radius = 3.5cm

Surface area of the cylinder = (22/7)×r*r× h

(22/7 )×3.5×3.5×19

(22/7)×232.75

731.5 cm^2

therefore the surface area of cylinder is 731.5 cm^2