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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 6

The given diagram, shows two adjacent angles AOB and AOC, whose exterior sides are along the same straight line. Find the value of x - Mathematics

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प्रश्न

The given diagram, shows two adjacent angles AOB and AOC, whose exterior sides are along the same straight line. Find the value of x

थोडक्यात उत्तर
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उत्तर

Since, the exterior arms of the adjacent angles are in a straight line ; the adjacent
angles are supplementary
∴ ∠AOB + ∠AOC = 180°
⇒ 68° + 3x – 20° = 180°
⇒ 3x = 180° + 20° – 68°
⇒ 3x = 200° – 68° ⇒ 3x =132°
x = 132/3° = 44°

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पाठ 25: Properties of Angles and Lines (Including Parallel Lines) - Exercise 25 (A)

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सेलिना Mathematics [English] Class 6
पाठ 25 Properties of Angles and Lines (Including Parallel Lines)
Exercise 25 (A) | Q 3
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