1. A = 70, C = 30, B = 180-100=80
2. Да
3.
2х+5х+8х=180
15х=180
х=180/15=12
2х=2*12=24
5х=5*12=60
8х=8*12=96
1. A = 70, C = 30, B = 180-100=80
2. Да
3.
2х+5х+8х=180
15х=180
х=180/15=12
2х=2*12=24
5х=5*12=60
8х=8*12=96