staz13wiggins
19.11.2020 •
Mathematics
I NEED HELPPPPPPPPP......
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Ответ:
A) 40
Step-by-step explanation:
exterior angle = 130 °
angles on a straight line add up to 180°
180 - 130 = 50
right angle = 90°
50 + 90 = 140
180 degrees in a triangle
180 - 140 = 40°
Ответ:
scas
aStep-by-step explanation: