two supplementry angles differ by 10x. if the acute abgle is 13x find the obtuse angle
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Answer:
SUM = 180°
ACUTE angle = 13x
OBTUSE angle = 180° - 13x
DIFFERENCE = 10x
⇒ 180 - 13x = 10x
⇒ 23x = 180
⇒ x = 180/23
∴ OBTUSE angle
= 180 - 13×(180/23)
= 180 - 101.74
= 78.26°
Step-by-step explanation:
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