(a)[1]
Determine $x$.
(b)[1]
Determine $y$.
(c)[1]
Determine $z$.
Mathematics 4024 · O Level · Circle theorems I
Circle theorems I — practice question
On the circle, $A, B, C, D$ and $E$ are points. $AB$ runs parallel to $ED$. $\angle ABE = 62^\circ$, $\angle CDE = 127^\circ$ and $\angle BEC = 40^\circ$.