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23-07-2021
Mathematics

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What is the length of the radius of a cylinder if the diagonal is 15 mm and the height is 12 mm?

Respuesta :

23-07-2021

Answer:

Step-by-step explanation:

Let d and r be the diameter and radius, respectively.

d² + 12² = 15²

d² = 15² - 12² = 81

d = √81 = 9

r = d÷2 = 4.5 mm

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