Respuesta :

zrh2sfo
I'm confused, it shows y at a right angle = 90°
we can solve for x
(x-7) and (x-3) = x=7

choixongdong
y is the right triangle so y = 90 degrees
x - 7 + 3x - 3 = 90
4x - 10 = 90
4x = 100
x = 25

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