2 years ago

Llus

Mathematics

1 answer:

andrey2020 [161]2 years ago

6 0

Answer:

Step-by-step explanation:

If A is parallel to B, then angles 2 and 4 are same side interior and they are supplementary. Thus,

2x + 10 + 4x + 80 = 180 and

6x = 90 so

x = 15

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