• 2019 April(Z15) Math Question 16

    Angles

    - Vertex Angles & Bisectors

    Choice J
    $$(3x+5)=(4x-6)$$ $$\Rightarrow x=5+6=11$$ $$\Rightarrow \angle XYV=3x+5=3 \times 11 +5=38°$$ $$\angle XYZ=180°-\angle XYV=180°-38°=142°$$

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