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If half of the total surface area of a cuboid is equal to the square of its diagonal then prove that the cuboid is actually a cube.

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5 months ago

Arun
25089 Points
```							Dear student Total surface area = 2 (lb+ bh+ hl)Length of diagonal = √(l²+b²+h²) Hence 2(lb +bh+ hl) = l² +b²+h² Now so it will be l = b = h Hence it will be a cube
```
5 months ago
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Course Features

• 731 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions