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sattari [20]
2 years ago
5

Solve for Xexplain the process for this problem​

Mathematics
1 answer:
aksik [14]2 years ago
5 0

Answer:

x = 40

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

126° is an exterior angle of the triangle, then

x + 2x + 6 = 126

3x + 6 = 126 ( subtract 6 from both sides )

3x = 120 ( divide both sides by 3 )

x = 40

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