Question

How many ?

Answer 1

You need the formula for the surface area of a sphere.
Calculate the surface area for your radius. Then divide it by 2.
That covers the curved part.

Then you need the area of the circle to cover the flat top part.
Use the area of a circle for the given radius

Then add the two areas.

Answer 2

Hey lilia222...did you get this one?

Answer 3

Bonjour dear! I got 150.9 , is that correct?

Answer 4

Yes, it is. Just checking...I saw you asked for my assistance and I was gone for a bit. You did good! ; )

Answer 5

Correct.