Most windows in a classroom have four right angles (90°). These are formed at the intersections of the vertical and horizontal edges of the window frame, where the sides meet at perpendicular lines. Class 6 Mathematics Chapter 2 Lines and Angles ...
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To solve problems on lines and angles, identify the types of lines and angles involved. Use geometric tools like protractors to measure angles. Apply properties of angles such as supplementary, complementary, or adjacent angles. Class 6 Mathematics Chapter 2 Lines and ...