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Geometrical Calculus Question (1 Viewer)

OmmU

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I got the answer (guessing) which is:



But can someone explain why, looking at the image I didn't think logically it could be that?!?

Thanks! :hippie:
 

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AAEldar

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I literally just did this question for a mate yesterday!



See the picture above. I rotated the radius of the sphere down and made a right angled triangle with the height and the radius. Simply use Pythagoras (by letting the radius of the cylinder be R) and you'll get the answer:

 

OmmU

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Ahhhhh, so obvious now that you point it out ^_^

Thank you very much!
 

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