1 задача
2х:5х
2х+5х=180°
7х=180°
х≈25.7°
2х≈51.4
7х≈128.6
2)задача
2х:х
3х=180
х=60
2х=120
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Answers & Comments
1 задача
2х:5х
2х+5х=180°
7х=180°
х≈25.7°
2х≈51.4
7х≈128.6
2)задача
2х:х
3х=180
х=60
2х=120
х=60