Hard Math Class 9 Level 2

The total surface area of a cube is 726 cm². What is its volume?

घन का कुल पृष्ठीय क्षेत्रफल 726 cm² है। उसका आयतन कितना होगा?

Show answer and explanation
Correct Answer

C. 1331 cm³ / 1331 cm³

Explanation

From 6a² = 726 we get a² = 121 and a = 11. Hence volume = 11³ = 1331 cm³.

6a² = 726 से a² = 121 और a = 11। अतः आयतन 11³ = 1331 cm³।

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