If the side of a cube is 9 cm then what is its total surface area?
घन की भुजा 9 cm है तो उसका कुल पृष्ठीय क्षेत्रफल कितना होगा?
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Correct Answer
A. 486 cm² / 486 cm²
ExplanationTotal surface area of a cube is 6a² = 6 × 9² = 486 cm².
घन का कुल पृष्ठीय क्षेत्रफल 6a² = 6 × 9² = 486 cm²।