Use a protractor to measure angles in windows, doors, desks, and corners. Common angles include right angles (90°) at corners, acute angles in slanted objects, and obtuse angles where openings exceed 90°.
Class 6 NCERT Ganita Prakash Chapter 2 Lines and Angles
class 6 Mathematics Textbook Chapter 2 question answer
To measure classroom angles, use a protractor at points like window corners, doorframes, and desks. Many corners form right angles (90°), while slanted surfaces like desks or shelves often exhibit acute angles (less than 90°). Open door positions might show obtuse angles (greater than 90°). Record each measurement systematically to understand the prevalence of specific angle types in classroom geometry.
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