If the side of a cube is 18 cm then what is its total surface area?
घन की भुजा 18 cm है तो उसका कुल पृष्ठीय क्षेत्रफल कितना होगा?
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Correct Answer
C. 1944 cm² / 1944 cm²
ExplanationTotal surface area of a cube is 6a² = 6 × 18² = 1944 cm².
घन का कुल पृष्ठीय क्षेत्रफल 6a² = 6 × 18² = 1944 cm²।