Unit- 5 Lines and Angles corrected
An angle is formed when two Lines or rays or line segments meet orintersect. When the sum of the measures of two Angles is 90 , the Angles arecalled complementary Angles . Each of them is called complement ofthe other. When the sum of the measures of two Angles is 180 , the Angles arecalled supplementary Angles . Each of them is called supplement ofthe other. Two Angles are called adjacent Angles , if they have a common vertexand a common arm but no common interior points. A linear pair is a pair of adjacent Angles whose non-common sidesare opposite rays. When two Lines intersect, the vertically opposite Angles so formedare equal.
• An angle is formed when two lines or rays or line segments meet or intersect. • When the sum of the measures of two angles is 90°, the angles are
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