Find the surface area of sphere having diameter 30 cm
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diameter of sphere = 30 cm
radius of sphere=15cm
s.a.of sphere
=2×pi×r^2
=2×3.14×15^2
=6.28×225
=1413 cm^2
radius of sphere=15cm
s.a.of sphere
=2×pi×r^2
=2×3.14×15^2
=6.28×225
=1413 cm^2
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