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Mathematics 9 Online
OpenStudy (anonymous):

Find the surface area of a sphere with a radius of 10. Use 3.14 for π. Round your answer to the nearest tenth.

OpenStudy (anonymous):

I'm here now.

OpenStudy (anonymous):

kk

OpenStudy (anonymous):

ok so how do u do it

OpenStudy (anonymous):

To start, the surface area formula for a sphere is 4 x pi x r^2. Put in 10 for r and 3.14 for pi.

OpenStudy (anonymous):

i dont get it

OpenStudy (anonymous):

Just subsitute. Then multiply it out.

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