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Find the value of the unknown x and y in the following diagram: - Mathematics

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Question

Find the value of the unknown x and y in the following diagram:

Sum

Solution

y = 80° (Vertically opposite angles) 

y + x + 50° = 180° (Angle sum property)

80° + x + 50° = 180°

x + 130° = 180°

x = 180° − 130°

x = 50°

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Chapter 6: The Triangle and its Properties - Exercise 6.3 [Page 121]

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NCERT Mathematics [English] Class 7
Chapter 6 The Triangle and its Properties
Exercise 6.3 | Q 2.2 | Page 121

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