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प्रश्न
If the lateral surface area of a cube is 600 cm2, then the total surface area is
विकल्प
150 cm2
400 cm2
900 cm2
1350 cm2
उत्तर
900 cm2
Explanation;
Hint:
L.S.A of a cube = 600 cm2
4a2 = 600
a2 = `600/4`
= 150
Total surface area of a cube = 6a2 sq.units
= 6 × 150 cm2
= 900 cm2
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