Question

the measure of angles in a linear pair are x° and (x+40)°.find the measure of each angle
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Answer 1

x + (x + 40)° = 180° (Linear Pair)

⇒ x + x + 40° = 180°

⇒ 2x = 180° - 40°

⇒ 2x = 140°

⇒ x = 140/2

⇒ x = 70°

Hence (x + 40)° = 70° + 40° = 110°

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