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  • 6 years ago
Supplementary Angles

When sum of two angles is equals to 180°
then two angles are Supplementary to each others.
∠A + ∠B =180°
Such as
110°+70°=180°
&
20°+160°=180°
But when
90°+130°=220°≠180°
then 90°&130°are not supplementary to each others

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