40. A triangle whose sides are given by the ratio 4:3:2 has a perimeter of 45 meters. Find the lengths of its legs in that order. A. 10, 20, 15 C. 10, 15, 20 B. 20, 10, 15 D. 20, 15, 10
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Answer: D. 20:15:10
4+3+2=9
45/9=5
4*5=20 3*5=15 2*5=10
4:3:2 = 20:15:10