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In the given figures below, decide whether l is parallel to m.

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NCERT Solutions for Class 7 Mathematics Chapter 5
Important NCERT Questions
Class vii Math Chapter 5 Lines and Angles Exercise 5.2
NCERT Books for Session 2022-2023
CBSE Board
Questions No: 6

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1 Answer

  1. (i) 126° + 44° = 170°
    l ||m because sum of interior opposite angles should be 180.
    (ii) 75° + 75° = 150°
    l ||m because sum of angles does not obey the property of parallel lines.
    (iii) 57° + 123° = 180°
    l ||m due to supplementary angles property of parallel lines.
    (iv) 98° + 72° + 170°
    l is not parallel to m because sum of angles does not obey the property of
    parallel lines.

    Class 7 Maths Chapter 5 Exercise 5.2

    for more answers vist to:
    https://www.tiwariacademy.com/ncert-solutions/class-7/maths/chapter-5/

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