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Posted by **JOY** on Thursday, May 12, 2011 at 8:38am.

Calculate the total surface area if the radius of the cone and hemisphere is

10 cm and the height of the cone is 24 cm.

- geometry -
**Reiny**, Thursday, May 12, 2011 at 8:47amhemisphere means "half a sphere"

Can you visualize the shape?

I see an "icecream cone with a single scoop on top"

in this case , use only the lateral surface of the cone + 1/2 the surface area of a sphere.

You have done these calculations in previous post.

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