Answer :
the angles when added equal180
therefore:
x+x+(x+45)= 180
3x+45=180
3x=180-45
3x=135
x=135/3
x=45
therefor the angles
are 45, 45, 90 degrees
therefore:
x+x+(x+45)= 180
3x+45=180
3x=180-45
3x=135
x=135/3
x=45
therefor the angles
are 45, 45, 90 degrees