Class 12 Three Dimensional Geometry · Mcq Single Correct1 Marksangles_between_lines
Class 12 Maths · Three Dimensional Geometry · Mcq Single Correct #5
Find the acute angle between two distinct body diagonals of a cube.
✅ Step-by-Step Solution
Final Answer: Option (D): cos⁻¹(1/3)
- Use directions (1,1,1),(1,1,−1). The absolute normalized dot product is 1/3.
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CBSE Class 12 Mathematics 2026 Main Paper 65/1/1 · Q16
The length of perpendicular drawn from point (2, 5, 7) on line x/1 = y/0 = z/0 is