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प्रश्न
Two complementary angles are in ratio 7 : 2. Find the angles
उत्तर
Total of complementary angles = 90°
The angles are in the ratio 7 : 2
Dividing total angles to 7 + 2 = 9 equal parts
One angle = `7/9 xx 90` = 70°
Another angle = `2/9 xx 90` = 20°
Two angles are 70° and 20°.
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