icantspeakengles
12.12.2020 •
Mathematics
PLEASE HELP ME I’m supposed to find the value of the variables and this is the last question I need to answer
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Ответ:
total measure of inner angles in a triangle:180°
(2x+13)°+57°+3x°= 180°
5x°+70°=180°
5x°=180°-70°
5x°=110°
x°=110°/5
x=22°
angles in a straight line : 180°
57°+y°=180°
y°=180°-57
y=123°
hii army ♡
Ответ:
x = 0 , 1 , − 1
Step-by-step explanation: