Asked by simranpreet
the slant height of the frustum of a cone is 5cm.if the difference between the radii of its circular ends is 4cm.write the height of the frustum.
plz this question.
plz this question.
Answers
Answered by
Reiny
make a sketch of its cross section and draw in the height
I see a right -angled triangle with height h, so that
h^2 + 4^2 = 5^2
h^2 = 25-16 = 9
h = 3
ahh, the infamous 3-4-5 right-angled triangle
I see a right -angled triangle with height h, so that
h^2 + 4^2 = 5^2
h^2 = 25-16 = 9
h = 3
ahh, the infamous 3-4-5 right-angled triangle
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