176.7 cm2
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The approximate surface area of a sphere with a diameter of 15 centimeters is 707cm2
Area = 706.5 Area of a circle = pi x r2 Diameter = 30, then radius = 15 pi x r2 3.14 x 152 3.14 x 225 = 706.5
Using 3.14 as Pi the area of circle is: 176.625
The formula for area of circle is: A=pi*r2 r=d/2 =>r=15/2=7.5 =>A=pi*(7.5)2 =>A=3.14*56.25 = about 176.625 square units
diameter = 15pi/pi = 15 units in length