Circle theorems - Higher - AQACircle theorems - Higher

Circles have different angle properties described by different circle theorems. Circle theorems are used in geometric proofs and to calculate angles.

Part ofMathsGeometry and measure

Circle theorems - Higher

Circles have different angle properties, described by . There are seven circle theorems.

An important word that is used in circle theorems is .

Subtending

An angle is created by two .

Circle with arc CD and unknown angle formed from points C and D

The angle in between the two chords is subtended by the between C and D.