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مثلث کے زاویے 2:3:4 کے تناسب میں ہیں۔ سب سے بڑا زاویہ کیا ہے؟

A70°
B80°
C60°
D90°
Answer & Solution
Correct answer: B. 80°
9 حصے 180 ڈگریوں کا اشتراک کرتے ہیں، لہذا ہر حصہ 20 ڈگری ہے اور سب سے بڑا 4 x 20 = 80 ڈگری ہے۔
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