Question 1110548
A thin pencil will only fit into a cylinder of height 24cm. If a pencil is 25cm long, what is the diameter of the cylinder? 
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Sketch the picture::
You have a right triangle with height = 24, hypotenuse = 25, and base = b
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b = sqrt[25^2-24^2] = 7
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Cheers,
Stan H.
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