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Question
The total surface area of a cube of side 20 cm is ______.
Options
240 cm2
160 cm2
2400 cm2
1600 cm2
MCQ
Fill in the Blanks
Solution
The total surface area of a cube of side 20 cm is 2400 cm2.
Explanation:
Total surface area of a cube = 6 × (side)2
= 6 × (20)2
= 6 × 4002
= 2400 cm2
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