Find the volume and surface area of a sphere whose radius is 3.5 cm.
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given r= 3.5 cm
Volume of a sphere = 4/3 (pi x r^3)
= 4/3 x 22/7 x 3.5 x 3.5 x 3.5
= 88/21 x 42.875
= 3773/21 or 179.67 cm^3
Surface area of a sphere = 4 x pi x r^2
= 4 x 22/7 x 3.5 x 3.5
= 88/7 x 12.25
= 1078/7
= 154 cm^2
Volume of a sphere = 4/3 (pi x r^3)
= 4/3 x 22/7 x 3.5 x 3.5 x 3.5
= 88/21 x 42.875
= 3773/21 or 179.67 cm^3
Surface area of a sphere = 4 x pi x r^2
= 4 x 22/7 x 3.5 x 3.5
= 88/7 x 12.25
= 1078/7
= 154 cm^2
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