#### Question

The radius and slant height of a cone are 5 cm and 20 cm respectively. Find its curved surface area. (Π = 3.14)

#### Solution

r = 5 cm, l = 20 cm

∴ Curved surface area = `pirl`

= 3.14 x 5 x 20

= 3.14 x 100

= 314 cm^{2}

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#### APPEARS IN

Solution The Radius and Slant Height of a Cone Are 5 Cm and 20 Cm Respectively. Find Its Curved Surface Area. (π = 3.14) Concept: Surface Area of a Combination of Solids.