Question

Base of a area of a right come
is 154 cm2. If its slant height
Find the height of the cone
8 cm​

Answer 1

Answer:

539 sq cm

Step-by-step explanation:

Let the radius of the base of the cone be r cm

Now circumference of base =154cm

2πr=154

r=

2×22

154×7

=

2

49

cm

Slant height =7cm

Curved area of cone =πrl

=

7

22

×

2

49

×7

=539 cm

2