In the diagram, which is not drawn accurately, $AED$ and $ABC$ are straight lines. $AE=EC$ and

Question

In the diagram, which is not drawn accurately, $AED$ and $ABC$ are straight lines. $AE=EC$ and $BE$ is parallel to $CD$. Calculate $\angle ECD$, $\angle EDC$, stating your reasons clearly.

Accepted Answer

(i) $\angle ECD=53^\circ$ (ii) $\angle EDC=57^\circ$

Angle Relationships in Combined Triangle Diagram

Angle Relationships in Combined Triangle Diagram

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