Math, asked by nehanani, 4 months ago

the diameter of a spherical ball is 18 cm how much leather is required to prepare the research balls

Answers

Answered by brainlyB0SS

1

Diameter of metallic ball =4.2cm

∴ Radius of metallic ball =2.1cm

Volume of metallic ball = 3 4 πr 3 = 3 4 ×π(2.1) 3 =38.81cm 3

⟹ Mass of metallic ball =2.5g/cm 3 ×38.81cm

3 =97.025g≈97g

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