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Lines l and m are parallel.
Use the diagram to determine the measure of ∠3.

Lines l and m are parallel. Use the diagram to determine the measure of ∠3.-example-1

2 Answers

6 votes

Answer:

It is 70

Step-by-step explanation

right on egde 2020.

User Charles Barbier
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1 vote

Answer:

∠3 is 70°

Explanation:

∠1 is 50° since it is across from another 50° angle

and then you use the equation x+25+2x+50=180 to find x

x then equals 35°

you then use the alternate interior angle theorem to say that ∠3 is 2x, or 70°

User Saswanb
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