ABCD is a square with angle abc is equal to 45 degree find the measure of the angles X Y and Z
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Triangle AOB is an equilateral triangle
Angle OAB= angle OBA= 45°
hence, AOB+ OBA+ OAB= 180°
y+ 45°+45° =180°
y+90° = 180°
y= 90°
now, x+ OAB=90°
x+45°=90°
x= 45°
Hence, y=90° x=45° z=45°
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