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प्रश्न
Find the supplement of: `5/7` of 154°
उत्तर
We know that two supplementary angles are those whose sum is 180°. Now
`5/7` of 154°
`= 5/7 xx 154° = 5 xx 22° = 110°`
∴ Its supplement = 180° - 110° = 70°
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