Asked by ryan
if a cone is 7.5 cm high and has a vertical angle of 70 degree calculate the diameter of its base.
Answers
Answered by
Steve
draw a diagram of a vertical cross-section of the cone, and mark off the altitude. You have a right triangle.
The radius of the base is found from
r/7.5 = cot(70)
The radius of the base is found from
r/7.5 = cot(70)
Answered by
Olashienda
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