4 years ago

What is the value of x A. 20 B. 34 C. 60 D. 69

Mathematics

1 answer:

Grace [21]4 years ago

4 0

Answer:

Step-by-step explanation:

The given angles are vertical and thus congruent, so

3x = x + 40 ( subtract x from both sides )

2x = 40 ( divide both sides by 2 )

x = 20 → A

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