JAPONICA
28.12.2019 •
Mathematics
4. find the value of x.
40
50
80
60
Solved
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Ответ:
Step-by-step explanation:
Sum of all the angles of a quadrilateral = 360
40 + 110 + 80 + y = 360
230 + y = 360
y = 360 - 230 = 130
x and y are linear pair
x + y = 180
x + 130 = 180
x = 180 - 130
x = 50
Ответ:
5,2
Step-by-step explanation: