A. 14m
B. 18m
C. 4m
D. None of these
Explanation:
Let the breadth be x metres , then it’s length = 3x metres
=>3x × x =12
=> x2= 4
=> x =2 l=6m, b =2m
=> Perimeter = 2(6+2)m = 16m
Correct Answer: None of these ✔
Last Updated: February 07, 2020
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