Geometry and TrigonometryEasyAngle of an equilateral triangle
Geometry and Trigonometry practice question
What is the measure of each angle of an equilateral triangle?
- A. 60°Correct
- B. 90°
- C. 45°
- D. 120°
Answer: A. 60°
Three equal angles summing to 180° are 60° each.
Why the other answers are wrong
- B. 90°
- 90° angles belong to right triangles.
- C. 45°
- 45° angles belong to isosceles right triangles.
- D. 120°
- Three 120° angles would sum to 360°.
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