2 years ago

What is the value of x that makes l1||l2? A. 14 B. 11.6 C. 10 D. 26.7

Mathematics

1 answer:

stich3 [128]2 years ago

6 0

Answer:

Step-by-step explanation:

By the alternate interior angles theorem,

$4x=2x+20 \\ \\ 2x=20 \\ \\ x=10$

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