Question

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Answer 1

Answer:

5544 cm^2 and 38808 cm^3

Step-by-step explanation:

surface area of a sphere = 4πr^2

radius= diameter/2= 42/2= 21 cm

surface area = (4 x 22 x 21 x 21)/7= 5544cm^2

volume of a sphere= 4/3πr^3

volume of the brench ball=( 4 x 22 x 21 x 21 x 21)/3x7

= 38808 cm^3

hope this helps u

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