Question

In figure ABCD is a square in which CE and DE are the angel bisector of angel C and D , proove that angel CED = angelA =angel B =angel C =angel D

Answer 1

AS ABCD IS A SQUARE

SO A = B= C= D=90

AS CE AND DE ARE ANGLE BISECTOR

SO <EDC=<DCE= 45

SO DEC= 180 -45-45
=90

HENCE DEC = A= B= C= D