Question

the diameter of the sphere is 4.24cm calculate the surface are of the significant figure

Answer 1

Answer:

Area= 56.45 cm

Explanation:

Diameter = 4.24 cm

Radius =4.24/2 = 2.12

Surface area = 4πr2

= 4 x 3.14 x (2.12)2

= 12.56 x 4.4944

= 56.449664cm

= 56.45 ( upto two decimals)

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