Advertisement Remove all ads

Advertisement Remove all ads

Advertisement Remove all ads

Sum

Curved surface area of a cylinder is 1980 cm^{2 }and radius of its base is 15 cm. Find the height of the cylinder. (π = `22/7`)

Advertisement Remove all ads

#### Solution

Let the height of the cylinder be h cm.

Radius of the cylinder, r = 15 cm

Curved surface area of the cylinder = 1980 cm^{2}

∴ 2πrh = 1980 cm^{2}

⇒ `2 xx 22/7 xx 15 xx h = 1980`

⇒ `h = [ 1980 xx 7]/660 = 21 cm`

Thus, the height of the cylinder is 21 cm.

Concept: Surface Area of a Cuboid

Is there an error in this question or solution?