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The diameter of a sphere is 6 cm. Find the total surface area of the sphere. (p = 3.14)
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diameter of sphere =d=6cm

Radius = r=d/2 =6/2 =3cm

the total surface area of sphere = 4\(\pi\)r2

=4\(\times\)3.14\(\times\)32

=4\(\times\)3.14\(\times\)9

=36\(\times\)3.14

=113.04 cm2

Therefore the total surface area of sphere= 113.04 cm2

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