Question

4. Which of these sets of angle measures could be the three angles in a triangle? A.40, 50°, 60°

B. 50°, 60°, 70°
C.60,70,80
D. 70, 80, 90°

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Answer 1

B. 50°,60°,70°

Explanation:

because the sum of them are 180° which makes complete triangle

Answer 2

B. 50°, 60°, 70°

Explanation:

only this pair makes a total of 180°