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Lines and Angles — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsLines and Angles1 Mark
MCQ
The measurement of Complete angle is:
  • A
    180º
  • B
    0º
  • C
    360º
  • D
    90º
✓

Answer

  1. 360º
    Solution:

    x + y = 180º (Linear Pair)
    w + z = 180º (Linear Pair)
    On adding above equations
    We get, x + y + w + z = 180º + 180º = 360º
    Sum of all the angles around a point is 360º.

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