Odpowiedź:
1. Każdy trójkąt musi mieć 180°.
180 - 125 = 55°
55° + 45° = 100°
180° - 100° = 80°
= 80°
2. 75° + 90° = 165°
180° - 165° = 15°
= 15°
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Odpowiedź:
1. Każdy trójkąt musi mieć 180°.
180 - 125 = 55°
55° + 45° = 100°
180° - 100° = 80°
= 80°
2. 75° + 90° = 165°
180° - 165° = 15°
= 15°