3 years ago

Find the value of x that makes A || B HELPPPPP

Mathematics

1 answer:

Vinil7 [7]3 years ago

6 0

Answer:

x = 90

Step-by-step explanation:

If lines A and B were parallel , then

∠ 1 and ∠ 4 are corresponding angles and congruent, so

3x - 160 = x + 20 ( subtract x from both sides )

2x - 160 = 20 ( add 160 to both sides )

2x = 180 ( divide both sides by 2 )

x = 90

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