Answer:
x=13
y=13
Explanation:
the long side of a 45 45 90 triangle is X √2, while the short side is X meaning x=13
x=y because both have same opposite angles
x = 13
y = 13
a right triangle with an angle that measures 45 degrees has congruent legs.
For the Pythagorean theorem
x² + x² = (13√2)²
2x² = 169(2)
2/2 x² = 169(2)/2
x² = 169
x = √169
x = 13 = y
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