sherinegallimore21 sherinegallimore21

03-03-2022
Mathematics

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please answer! will give 5 stars, brainliest (if two people answer.), 20 pts, and thanks.

please answer will give 5 stars brainliest if two people answer 20 pts and thanks class=

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25veroprisyazhnyuk 25veroprisyazhnyuk

03-03-2022

Answer:

66

Step-by-step explanation:

Angle 2 and 4 are supplementary, so if angle 4 is 123, then 180-123=57.

So angle 2 is 57.

Then, if angle 2 and 3 are 57 and we know that all angles of a triangle have to add up to 180, then:

57+57+angle 1=180

114+ angle 1=180

angle 1= 66

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