In the adjoining figure, X and Y are respectively two points on equal sides AB and AC of ΔABC such that AX = AY. Prove that CX = BY.
ANSWER:
In ΔAXCandΔAYB,wehave:AC=AB(Given)AX=AY(Given)∠BAC=∠CAB(AnglecommontoΔAXCandΔAYB
∴ΔAXC≅ΔAYB(SAS criterion)So, CX=BY (CPCT)
Hence, proved.