Answer:
x = 10
Explanation:
1. The sum of all angle measures in any triangle is equal to 180 degrees.
- This means that 90 + 6x + 3 + 27 = 180
2. (Solving)
Step 1: Combine like terms.
Step 2: Subtract 120 from both sides.
Step 3: Divide both sides by 6.
Therefore, x = 10.