SOLUTION: if a cone is 8.4 cm high and has a verticle angle of 72, calculate the diameter of its base

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Question 1080991: if a cone is 8.4 cm high and has a verticle angle of 72, calculate the diameter of its base
Answer by Alan3354(69443) About Me  (Show Source):
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if a cone is 8.4 cm high and has a verticle [sic] angle of 72, calculate the diameter of its base
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It's vertical.
If you mean the angle between the base and the side:
tan(72) = 8.4/r
d = 2*r