The sum of angles
around a point is 360°. The sum of angles along a straight line is
180°.
Angles that lie along a straight
line are said to be supplementary to each other. Therefore, supplementary
angles sum to 180° .
A good understanding of these concepts helps
us to find the degree measurements of unknown angles.
Test Prep Lessons With Video Lessons and Explained MCQ
Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.