SOLUTION: what is the surface area of a sphere with a diameter of 18 centimeters? express the answer in square meters. Round to the nearest hundreth.

Question 451294: what is the surface area of a sphere with a diameter of 18 centimeters? express the answer in square meters. Round to the nearest hundreth.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
If the diameter is 18 cm, then the radius is cm.

Start with the surface area of a sphere formula.

Plug in .

Replace with (note: Use more digits of to get better accuracy).

Square to get .

Multiply and to get .

Multiply and to get .

Round to the nearest hundredth.

So the surface area of a sphere with a diameter of cm is approximately square cm.

I'll let you do the conversion to square meters.
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