Education 11X1 T13 02 angle theorems 1 (2011)

Angle Theorems Angle Theorems (4) The angle subtended by an arc (or chord) at the centre is double the angle subtended by the arc (or chord) at the circumference. Angle Theorems…

Education 11 x1 t13 02 angle theorems 1 (2012)

Angle Theorems Angle Theorems (4) The angle subtended by an arc (or chord) at the centre is double the angle subtended by the arc (or chord) at the circumference. Angle Theorems…