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Angle between a line and a plane — Edexcel GCSE Mathematics Definition | GradeGen

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Mathematics
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Angle between a line and a plane

GCSE Mathematics · key term

Angle between a line and a plane

Definition

The acute angle between a line and its perpendicular projection onto a plane.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Mathematics · 1MA1

Specification G20 · Paper 1, Paper 2, Paper 3

The angle between a line and a plane is not measured against an arbitrary edge of the plane. It is the acute angle between the line and its perpendicular projection onto that plane.
Revise: Trigonometry and Pythagoras in 2D and 3D

Edexcel Mathematics past papers

Related key terms

Diagonal
Plane
Projection onto a plane
Space diagonal

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