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Longest side is 3 times the shortest; third is 2 cm less than longest. Perimeter is at least 61 cm. Least shortest side?
A10 cm
B7 cm
C9 cm
D8 cm
Answer & Solution
Correct answer: C. 9 cm
The perimeter is x + 3x + (3x - 2) = 7x - 2 ≥ 61, so x ≥ 9.
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