Mathematics · Three Dimensional Geometry
Let A = (2, 0, -1), B = (1, -2, 0), C = (1, 2, -1), and D = (0, -1, -2) be four points. If θ is the acute angle between the plane determined by A, B, C and the plane determined by A, C, D, then tan(θ) =
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1√53
- 23√5✓
- 33√14
- 4√145
Correct answer
3√5
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