Exit ticket · Circle Theorems
- $A$, $B$, $C$ and $D$ are points on a circle.
Angle $ACB = 32^\circ$.
Work out the size of angle $ADB$, marked $x$. - $T$ is a point on a circle, centre $O$. $TP$ is a tangent to the circle.
Angle $TPO = 38^\circ$.
Work out the size of angle $x$. - $A$, $B$ and $C$ are points on a circle, centre $O$. $OA$ and $OB$ are radii.
Angle $OAB = 58^\circ$.
Work out the size of the angle $AOB$ at the centre.