Math homework help? Need instant!!

Posted on 2017-05-11 18:39:00 in Math by KETTY

A hemisphere sits on a cone and two height measurements are given as shown (the cone is 10 cm tall and the cone + hemisphere is 15cm tall. this means the hemisphere is 5cm tall). 

I need to find the radius of the cone/hemisphere (they share the same base), the slant height of the cone and the TSA of the object. 

I have no idea where to start, and I really need help. Thanks.

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