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प्रश्न
The angles of a triangle are in the ratio 3 :2 : 7. Find each angle.
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उत्तर
Ratio in angles of a triangle = 3:2:7
Sum of ratios = 3 + 2 + 7=12
Sum of angles of a triangle = 180°
∴ First angle = `3/12 xx 180° = 45°`
Second angle = `2/12` x 180°= 30°
Third angle =`7/12` x 180°= 105°
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