Radius of a sphere is 3.5 cm find its surface area abd volume
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r = 3.5 cm
Surface area = 4
r^2
= 4 * 22/7 * 3.5
= 44 cm^2
Volume = 4/3 r^3
= 4/3 * 22/7 * 3.5 * 3.5 * 3.5
= 179.6 cm^3
Surface area = 4
= 4 * 22/7 * 3.5
= 44 cm^2
Volume = 4/3
= 4/3 * 22/7 * 3.5 * 3.5 * 3.5
= 179.6 cm^3
arbazhaider:
surface area of sphere= 4/3πr^2
No you are wrong. It is 4/3 \pi r^2
what
total surface area of sphere=4/3×π×r^2
this is right formula
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