Answer:
The answer is 75%
Step-by-step explanation:
For this case we have:
By trigonometric property we have:
Where:
Substituting:
Clearing x we have:
Thus, the equation is:
5
dont really understand why you answered your own question?
Let's go:
Big triangle:
12 + 3x - 6 = 3x + 6
10 + 8 = 18
I hope I helped you.