Question
Two angles of the triangle are given. Find the third angle.
120°, 30°
120°, 30°
✓
Answer
120°, 30°
Let the third angle be x
Sum of the angles = 180°
120° + 30° + x = 180°
150 + x = 180°
x = 180° – 150°
x = 30°
Third angle = 30°
Let the third angle be x
Sum of the angles = 180°
120° + 30° + x = 180°
150 + x = 180°
x = 180° – 150°
x = 30°
Third angle = 30°
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