Question : Which of the following set of angles forms a triangle?
Option 1: 60°, 70°, 80°
Option 2: 60°, 70°, 30°
Option 3: 60°, 40°, 80°
Option 4: 60°, 50°, 80°
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Correct Answer: 60°, 40°, 80°
Solution : The sum of all angles of the triangle should be 180°. From the above-given options, only option 2 satisfies the condition. Option 2: 60°, 40°, 80° Sum of angles = 60° + 40° + 80° = 180° Hence, the correct answer is 60°, 40°, 80°.
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