liyah3756
20.01.2021 •
Mathematics
Just need answer.....
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Ответ:
10°
Have a nice day!
Ответ:
b = 82°
Step-by-step explanation:
Angles on a straight line add up to 180
180 - 143 = 37
Angles in a triangle add up to 180
180 - ( 61 + 37 ) = 82