find x I guess. (I don't know what to say)

Answer:

x = 28

Step-by-step explanation:

1. ∠AOD and ∠COB are equivalent because they're vertical angles (opposite pair of angles that are formed from the intersection of two lines). That means that 3x + x + x + 12 = 152.

2. (Solving 3x + x + x + 12 = 152)

Step 1: Simplify both sides of the equation.

Step 2: Subtract 12 from both sides.

Step 3: Divide both sides by 5.

Step 4: Check if solution is correct.

Therefore, x = 28.

Answer:

x = 28

Step-by-step explanation:

Based on the vertical angles theorem, ∠AOD ≅ ∠COB.

• ∡AOD = 152°

• ∡COB = 3x + x + x + 12

To find the value of x, set up the equation that can be formed from the given information:

3x + x + x + 12 = 152      First, combine like terms.

5x + 12 = 152                 Subtract 12 from both sides to isolate the variable.

5x = 140                         Divide both sides by 5 to find the value of x.

x = 28  

The value of x is 28°.

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