Question

in the cone radius is 4cm and height is 3cm find
1) slant height 2 C.S.A 3) T>8>A 4). Volume​

Answer 1

Answer:

r=3 cm and h=4 cm

Let l be the slant height of the cone. Then,

l

2

=r

2

+h

2

l

2

=3

2

+4

2

l=5 cm

Therefore,

Area of the curved surface = πrl=

7

22

×3×5=47.14 cm

2