SOLUTION: Determine the vertical angle of a cone with height 20cm and radius 5cm

Algebra.Com
Question 1179870: Determine the vertical angle of a cone with height 20cm and radius 5cm
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!
cone

Determine the vertical angle of a cone with
height and
radius
let the vertical angle be
use right triangle with sides the height , radius , and slant height to find

using tan:



°
°
°


or, find slant height and use cosine




°
°

or use sine





°
°

so, the vertical angle of a cone with height and radius is °



RELATED QUESTIONS

A cone whose base diameter and vertical height are 24cm and 5cm respectively is unfolded... (answered by josgarithmetic)
please help me solve this quest ion ((( a cone whose base diameter and vertical height... (answered by Theo)
What is the volume of a cone with a radius of 5cm and a height of... (answered by jorel1380)
Find the surface area of a right circular cone with radius of 5cm and height of... (answered by rfer)
A cone has a slant height of 9cm and curved surface 65πcm^2 find: (a) The base radius... (answered by mananth)
A cone has a slant height of 9cm and curved surface 65cm^2 find: (a) The base radius of (answered by Solver92311)
Its radius is 5cm and its height is 20cm. What is the capacity of the mould (answered by ikleyn)
a cone is made from a sector of a circle of radius 20cm and sectional angle of... (answered by alicealc)
please help me to solve this quesion. A cone whose base diameter and vertical height are (answered by ikleyn)