Find x if two angles of measures (x+10)° and (x-30)° are supplementary to each other.
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"A single shelf of a good European library was worth the whole native literature of India and Arabia," Macaulay wrote in the Minute. He envisaged creating "a class of persons, Indian in blood and colour, but English in taste, in opinions, in morals, and in intellect
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=> (x+10)° + (x-30)° = 180°
=> x° + 10° + x° - 30° = 180°
=> 2x° - 20° = 180°
=> 2x° = 180° + 20°
=> 2x° = 200°
=> x° = 200/2°
=> x° = 100°
Therefore, the value of x is 100°.
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