IB skill practice

Find angles between lines and planes

Use scalar products and normals to find angles involving lines and planes.

Paper 1, Paper 2 5 marks Difficulty 4

Find angles between lines and planes - visual intersection check

A line has direction length 21, a plane normal has length 29, and \(|\mathbf{d}\cdot\mathbf{n}|=420\). Enter \(\sin\alpha\), where \(\alpha\) is the angle between the line and the plane.

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