Points $A$, $B$ and $C$ lie on a circle with centre $O$. Point $C$ lies on the minor arc \

Question

Points $A$, $B$ and $C$ lie on a circle with centre $O$. Point $C$ lies on the minor arc $AB$, and $\angle ACB=118^\circ$. Find the reflex angle $AOB$, giving a reason.[2] Find the minor angle $AOB$.[1]

Accepted Answer

(a) $236^\circ$ (b) $124^\circ$

Choosing the reflex central angle

Choosing the reflex central angle

Solution:

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