Answer:
Congruent
Step-by-step explanation:
Congruent figures are all figures that have the same number of sides, with the same length, and the angles between the sides have the same values.
x=31 and y=45.........
The angle has a measure of 135 degrees.
90 / 2 = 45 degrees
90 + 45 = 135 degrees
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<em><u>-XxDeathshotxX</u></em>