Respuesta :

sqdancefan
Recognize that the triangle is isosceles, so the two side lengths are equal.

b = 2√2

Recognize it is a right triangle, so you can use the Pythagorean theorem to compute the length of "a".

a^2 = (2√2)^2 +(2√2)^2
a^2 = 8 +8 = 16
a = √16
a = 4

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