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Rasek [7]
2 years ago
8

??????????????????????????????????​

Mathematics
2 answers:
Sergeeva-Olga [200]2 years ago
8 0

Answer:

see answer below.

Step-by-step explanation:

So m∠1= 40, as given in the question.

We should already know that a straight line, or angle, is equal to 180°

Knowing that it is equal to 180°, to find the angle of ∠3, you can subtract 40 from the 180°

180°-40°= 140°

answer: m∠3= 140°

iogann1982 [59]2 years ago
4 0

Answer:

angle 3 is 140°

Step-by-step explanation:

angle 2 and angle 3 are equal

angle 4 and 1 are also equal

angle 3 =

180-40= 140

angle 3 is 140

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Step-by-step explanation:

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