Odpowiedź :
b)
[tex]83 + 2 \alpha + 10 + \alpha = 180 \\ 3 \alpha = 180 - 93 \\ 3 \alpha = 87 \\ \alpha = 29[/tex]
d)
[tex] \alpha + \alpha + \alpha - 30 + 135 = 360 \\ 3 \alpha = 360 - 135 + 30 \\ 3 \alpha = 255 \\ \alpha = 85[/tex]
b)
[tex]83 + 2 \alpha + 10 + \alpha = 180 \\ 3 \alpha = 180 - 93 \\ 3 \alpha = 87 \\ \alpha = 29[/tex]
d)
[tex] \alpha + \alpha + \alpha - 30 + 135 = 360 \\ 3 \alpha = 360 - 135 + 30 \\ 3 \alpha = 255 \\ \alpha = 85[/tex]