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 question answer
Class 6 NCERT Ganita Prakash Chapter 2 Lines and Angles
In a typical rectangular or square window, there are four right angles. These angles, each measuring 90°, are formed at the intersections of the window’s horizontal and vertical edges. The window frame creates four corners, each a right angle. Understanding this geometry is important for identifying structural elements and ensuring accuracy in construction. In different window shapes, such as triangular or circular windows, the number and type of angles may vary.
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