2 angles are in the ratio 3:5. If each angle is increased by 30 degree, then they become supplementary angles. Find the measure of each angle.
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But the solution is incomplete.
The missing part is:
The two angles are 3x = 3 × 15° = 45° and 5x = 5 × 15° = 75°.
Note: The two angles are taken as 3x and 5x because they are in the ratio 3:5.
Two angles are said to be supplementary when their sum is 180°
So, (x +30) + (5x + 30) =180
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