Solve the problem.The sum of the measures of the angles of any triangle is 180°. In triangle ABC, angles A and B have the same measure, while the measure of angle C is 60° larger than each of A and B. What are the measures of the three angles?
A. A and B: 100°; C: 40°
B. A and B: 50°; C: 80°
C. A and C: 80°; B: 50°
D. A and B: 40°; C: 100°
Answer: D
Mathematics
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B. 
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Multiply and simplify.
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A. 
B. 
C. 
D. 
Mathematics