Odpowiedź:
a = 20°
b = 40°
y = 75°
a 180 -70 - 90 =20
b 180- 90 - 60 = 30
c 180 - 35 - 40 = 105
180 - 105 = 75
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Odpowiedź:
a = 20°
b = 40°
y = 75°
Odpowiedź:
a 180 -70 - 90 =20
b 180- 90 - 60 = 30
c 180 - 35 - 40 = 105
180 - 105 = 75