The size of an angle is determined by the degree of rotation or turn between its two arms about the vertex. It is measured in degrees using a protractor, ranging from 0° to 360°.
Class 6 Mathematics Chapter 2 Lines and Angles question answer
Class 6 NCERT Ganita Prakash Chapter 2 Lines and Angles
An angle’s size is determined by the rotation between its arms around the vertex. This rotation is quantified in degrees, where a full circle is 360°, a straight angle is 180°, and a right angle is 90°. Using a protractor, one arm aligns with 0°, while the other intersects the scale, providing the angle’s measure. This measurement concept is crucial for comparing angles, constructing shapes, and solving problems in geometry.
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