-------x-----------------------------20x---------------
some number line
The answer would be negative 6 or -6.
Hope this helps!
Only two triangles:
The 90* angle is stable, so you can change only the position of the 50* and 40* angles.
1 triangle: 40* is right to the 90*
2 triangle: 40* is left to the 90*
Hope this helped you!
It 0.25 because if you put both together you get 2+2.5=4+2x then solve for x and you get x=0.25
Well, something around 522 so probably like 500 or 525