Question 41
Mensuration of SolidsIn the figure above GHIJKLMN is a cube of side a. Find the length of HN.
- A.√3a
- B.√3a
- C.3a2
- D.a√2
- E.a 3.
Show the answer and explanation
Answer: A (√3a)
Explanation
HN goes from a bottom front corner to the opposite top back corner. HN² = a² + a² + a² = 3a², so HN = √3a.