CONGRUENCE OF SIMPLE POLYGONS B9

In the following figure, prove that ∆UVY is congruent to ∆WYX

solution

Given: figure UVYWX .

Required to prove: ∆UVY ≡ ∆WYX

Proof: VY = YX (given)

            UY = YW (given)

<UYV = <XYW (opposite angles)

Hence ∆UVY ≡ ∆WYX by SAS rule (proved)