Respuesta :

kennadeefisher

Answer:

x=6, y=128

 

set 5x+16 = 7x+4

-2x=-12

x=6

plug x into equation= 46

180-46=134

y+6=134

y=128

brendan22kelly22

Answer:

x= 45 Degrees

Step-by-step explanation:

Total Triangle= 180 Degrees

Subtract Right Angle: 180-90= 90 Degrees

Divide by 2 because it is an isosceles triangle: 90/2= 45 Degrees