Question

дам 35 баллов геометрия. найдите градусные меры углов 1 и 2

Answer 1

1) 180 - 90 - 30 = 60
2) <2 = 70; <1 = 180 - 70 * 2 = 40
3) <1 = <2 = (180 - 90) : 2 = 45
4) <1 = <2 = <3 = 180 : 3 = 60
5)
<3 = 180 - 150 = 30
< 1 = < 2 = ( 180 - 30 ) : 2 = 75
6) < 1 = 20; <2 = 180 - 40 = 140