Cones: a sector of a circle of radius 10cm and angle 144°

Answer 1

the radius of the cone is r = 144/360 * 10 = 4
the height can be found using h^2 + r^2 = 10^2

Answer 2

Thanks 😊

Answer 3

40cm

Answer 4

Yes, that's correct! The height of the cone is 40cm.