Question

What was the surface area of one ball of 3.5 mm radius?​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

1.54cm^2

Step-by-step explanation:

radius=3.5 mm = 0.35 cm

Surface area = 4πr^2

= 4 * 3.14 * 0.35 * 0.35

= 1.54 cm^2 (approx)