What is the approximate minimum length of a rope required to enclose an area of 154 square meters?
A 154
B 60
C 57
D 50
E 44
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What is the approximate minimum length of a rope required to enclose an area of 154 square meters?
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Jay@ManhattanReview
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For the given area 154 sq. mtr, to get the approximate minimum length of the rope required to enclose the area, the plane must be a circle.
So, we have
Area of circle = πr^2 = 154
So, r = 7 mtr
So, the circumference of the circle = 2πr = 2*22/7*7 = 44 sq. mtr.
Correct answer: E
Hope this helps!
-Jay
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