- A360°
- B540°
- C270°
- D180°
Step-by-Step Solution
At each vertex, exterior + interior = 180°. Over three vertices: ° = 540°. Subtracting the interior sum 180° leaves 360°.
Answer: A) 360°
Taking one exterior angle at each vertex, what is the sum of the three exterior angles of any triangle?
Class 9Exterior Angle of a TriangleGeometry — Lines and Angles
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