Question

circumference of the base of a cone is 154cm.find its radius​

Answer 1

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

Answer 2

Answer:

539cm^2

Step-by-step explanation:

I hope this help to you.