Question

Edge length of a cube is 400 pm, its body diagonal would be

• A. 566pm
• B. 600pm
• C. 500pm
• D. 693pm

Answer 1

Answer: (D)

Length of body diagonal $=a\sqrt{3}$ where a = edge length $=400\sqrt{3}$ $=692.82pm$ $\approx 693pm$