angle in a semicircle
What angle in a semicircle means in Mathematics A-Level, as defined for Pearson Edexcel, WJEC.
Definitions of angle in a semicircle
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Reference: Pearson Edexcel
A right angle, so a triangle with a diameter as one side has a right angle at the circumference.
The angle subtended by a diameter at any point on the circumference is a right angle (90°).
Topics that use angle in a semicircle
- Coordinate geometry in the (x, y) plane (Pearson Edexcel A-Level)
- Coordinate geometry in the (x, y) plane (AS Unit 1: Pure Mathematics A) (WJEC A-Level)
Related terms
- linear modelling
- Completing the square
- Eliminating the parameter
- gradient
- negative reciprocal
- Parallel and perpendicular gradients
- Parameter
- perpendicular bisector of chord
Using angle in a semicircle in the exam
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