mari530
16.10.2020 •
Mathematics
Why are you guys rong
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Ответ:
"Rong"? I believe you need to re-do English class.
Step-by-step explanation:
Ответ:
b.
42+x+90+8=180° linear pair
x=180-140=40°
x=40°
c.
10+x+90+3x=180 linear pair
4x=180-100
x=80/4=20
x=20°