check the picture below
and isosceles triangle, has two equal sides, thus, sides "a" and "b" for the triangle to be an isosceles, have to be equal
The length of the hypotenuse of an isosceles right triangle whose legs are 1 unit in length is; 1.414 units
we have;
Lengths of 2 legs as;
x = 1
y = 1
Hypotenuse length is;
h = √(1² + 1²)
h = √2
h = 1.414 units
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