The height of the cylinder is 12, and the diagonal of the axial section of the cylinder is 13. Find the radius of the cylinder.
December 16, 2020 | education
| Find the diagonal of the base of the cylinder:
swell the axial section ABCD, then AB = 12, AC = 13,
BC² = AC²-AB² = 13²-12² = 25
BC = 5 – the diagonal of the cylinder base.
VO = BC / 2 = 5) 2 = 2.5 – cylinder radius.
Answer: radius = 2.5
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