" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)180°=α+β
α=2β
180°=2β+β
180°=3β /:3
β=60°
α=2β=120°
b)180°=α+β
α=30°+β
180°=30°+β+β /-30°
130°=2β /:2
β=65°
α=30°+β
α=95°
II-2x
3x=180
x=60
I=60
II=120
b)I-x
II-x+30
2x+30=180
2x=150
x=75
I=75
II=105
45 135
jestem pewna bo juz to miałam