Respuesta :
Answer:
90°
Step-by-step explanation:
Angles in a triangle add up to 180°
The two angles you have add up to 90°
You need another 90° to make it 180°
Answer:
90°
Step-by-step explanation:
Angles in a triangle add up to 180°
The two angles you have add up to 90°
You need another 90° to make it 180°