32
Explanation:
Since it shows that both of the angles added together equal 90º, we can put that into an equation like this: 90 = 4x-12 + 6x-8
Now, just solve for x!
Combine like terms
90 = 4x-12+6x-8
90 = 10x - 20
Add 20 to both sides
110 = 10x
Divide both sides by 10
11=x
Now that we know x, we can plug that into both equations to see which is smaller.
6(11)-8
66-8
58
4(11)-12
44-12
32
And there you have it! Your answer is 32.