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Lines and Angles — MATHS STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9MATHSLines and Angles1 Mark
Question
The sum of all the angles of a quadrilateral is:
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Answer

  1. 360º
    Solution:
    Sum of the angles of a polygon = (n - 2) × 180º
    Quadrilateral has 4 sides,
    So sum of interior angles = (4 - 2) × 180º = 360º.

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