Question

The circumference of base of a cone is 33cm then it's radius is

Answer 1

Answer:

10.5cm

Step-by-step explanation:

circumference = 33cm

circumference = 2 x $\pi$ x radius (r)

33 = 2 x 22/7 x r

7 x 33 = 7 x 22/7 x r

7 x 33 = 22r

(7 x 33)/22 = 22r/22

10.5 = r

∴ radius = 10.5cm