(1) The curved surface area of a cone with base radius 40 cm is 1640 �

1.	(1) The curved surface area of a cone with base radius 40 cm is 1640 π sq cm. Findthe slant height of the cone.
Answer» Here's the answer you are looking for Curved surface area of a cone is = πrl where r = radius = 40cm and l = slant height Substituting the values, 1640 = π (40) (l) l =1640/22/7x40 l = 13cm (approx)

(1) The curved surface area of a cone with base radius 40 cm is 1640 π sq cm. Findthe slant height of the cone.

Answer»

Here's the answer you are looking for

Curved surface area of a cone is = πrl

where r = radius = 40cm

and l = slant height

Substituting the values,

1640 = π (40) (l)

l =1640/22/7x40

l = 13cm (approx)