Question

The base radius of a cone made by rolling up a sector is 9cm and its slant height is 15cm
(i) what is the radius of the sector
(ii) what is the central angle of the sector
(iii) find the volume

Answer 1

Answer:

3 radius

please mark me as brainlist

Answer 2

Answer:

Radius of sector= 15cm (same as slant height)

Central angle = 216˚ (Use R/r=x/360 where x is the central angle)

Volume= 1/3πR2H

               324πcm3

Hope it helps!