Solve.A triangular region has a perimeter of 91 meters. The first side is two-thirds of the second side. The third side is 13 meters shorter than the second side. What are the lengths of the three sides of the triangular region?
A. first side = 26 m;
second side = 39 m;
third side = 26 m
B. first side = 39 m;
second side = 26 m;
third side = 26 m
C. first side = 13 m;
second side = 39 m;
third side = 39 m
D. first side = 26 m;
second side = 39 m;
third side = 52 m
Answer: A
Mathematics
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