what is x? i do not know how to do this
since you know that a triangle's angles=180, you have 2 of the angles. You also know that the sum of 2 angles is equal to 180 minus the exterior angle. So,2x+x=1233x=123x=123/3x=41, 2(41)=82 for the other angle.
x=41 yeah thats it ......
