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Question
Among two supplementary angles, the measure of the larger angle is 44o more than the measure of the smaller. Find their measures.
Sum
Solution
Let the measure of larger angle be x° and the measure of smaller angle be y°.
Among two supplementary angles, the measure of the larger angle is 44° more than the measure of the smaller.
According to condition,
x = y + 44°
x + y = 180°
⇒ (y + 44°) + y = 180°
⇒ y + 44° + y = 180°
⇒ 2y + 44° = 180°
⇒ 2y = 180° - 44°
⇒ 2y = 136°
⇒ y = `(136°)/2`
⇒ y = 68°.
∴ x = y + 44°
x = 68° + 44°
x = 112°
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