Geometry and TrigonometryEasyAngles that could form a triangle
Geometry and Trigonometry practice question
Which of the following could be the measures of the three angles of a triangle?
- A. 50°, 60°, 70°Correct
- B. 90°, 90°, 10°
- C. 30°, 40°, 50°
- D. 100°, 50°, 40°
Answer: A. 50°, 60°, 70°
The three angles of a triangle sum to 180°, and 50 + 60 + 70 = 180.
Why the other answers are wrong
- B. 90°, 90°, 10°
- These sum to 190°.
- C. 30°, 40°, 50°
- These sum to 120°.
- D. 100°, 50°, 40°
- These sum to 190°.
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