It has been proved that point A is equidistant from the sides of angle PQR.
What is a Bisector ?
Any line or point that divides an angle or a side in equal parts is called a Bisector.
It is given that
Point A is the bisector of Angle PQR
Referring to the image
1. QA is the bisector of angle PQR : Given
2.Angle PQA = Angle RQA : Definition of Bisector
3.Angle QXA = Angle QYA : Definitions of Perpendicular
4. Angle QXA = Angle QYA : All right angles are congruent.
5. QA ≅QA : Reflexive Property of Congruence
6. ΔPQA ≅ΔRQA : AAS Congruence Postulate
7. AX ≅AY Corresponding parts of Congruent Triangles
8. Point A is equidistant from the sides of Angle PQR : Definition of equidistant.
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