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प्रश्न
Find m∠C in the following figure if `bar(AB) || bar(DC)`
उत्तर
Given that, `bar(AB) || bar(DC)`
∠B + ∠C = 180° (Angles on the same side of transversal)
120º + ∠C = 180°
∠C= 180° - 120° = 60
∠C = 60°
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