I never heard of Cranborne as a school subject. We have no tutors in
Cranborne. Geometry tutors are available if you put your subject in the subject line, not the name of your school.
In the diagram AOBP is the major sector of a circle centre O.BO=8cm, AOB=156° and the sector is bent to form a right cone.
a)Caculate the radius of the cone
b)Calculate the vertical angle of the cone
2 answers
An angle of 216 sector of a circle of radius 5 cm is bent to form a cone. Find the radius of the base of the cone and its vertical angle?