Class 7th|Mathematics|4.Angles and Pairs of Angle
4.Angles and Pairs of Angle
Pairs Of Angles
The region between two infinitely long lines pointing a certain direction (ray) from a common point (or vertex) is termed as an angle. That is, the amount of turn is measured by an angle. The pairs of angles are nothing but the two angles. Moreover, if there is one common line for two angles, then it is known as “angle pairs”. The relations between angles are characterized by the pairs of angles as listed below:
1. Complementary angles
2. Supplementary angles
3. Vertical angles
4. Linear pairs of angles - Alternate interior angles, alternate exterior angles and corresponding angles
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