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Subject  >  Math  >  Geometry  >  Angles

Angles

Introduction
       Geometry deals with the study of shape, size, position and other properties of objects in a plane or in space.
Angles and Types of Angles
       When two straight lines meet at a common point, they form an angle.
Theorem1
       If a straight line meets another straight line, the adjacent angles so formed are supplementary.
Theorem2 (Converse of Theorem 1)
       If two adjacent angles are supplementary, then their exterior arms lie in a straight line.
Summary
       When a pair of angles are adjacent and also supplementary, they are said to form a linear pair.
Question and Answers
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Angles at a Point
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