(a(i))[1]
Determine the value of $x$.
(a(ii))[1]
Determine the value of $y$.
(b)[2]
Determine the value of $w$.
Mathematics 0580 · IGCSE · Circle theorems I
Circle theorems I — practice question
Points A, B, C and D are on the circle. TAS is tangent to the circle at A. The diagram labels angles $37^\circ$, $41^\circ$, $x^\circ$ and $y^\circ$. The diagram is marked "NOT TO SCALE".