1.

The volume of material of a hollow sphere with external radius 10 cm and internal diameter 6 cm is nearly.1. 4077 cm32. 4070 cm33. 4007 cm34. 4073 cm3

Answer» Correct Answer - Option 1 : 4077 cm3

Given

External radius = 10 cm

Internal diameter = 6 cm

Formula Used 

Volume of hollow sphere = 4/3 π(R13 - R23)

Calculation 

Volume of material = 4/3 ×  22/7 (103 - 33) cm3

⇒ 4/3 × 22/7 (1000-27) cm3

⇒4/3 ×  22/7 × 973 cm3  =  4077.33 ≈ 4077 cm3

∴ The required answered is 4077 cm3.



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