## What is the approximate minimum length of a rope required to enclose an area of 154 square meters?

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### What is the approximate minimum length of a rope required to enclose an area of 154 square meters?

by sambati » Tue Aug 04, 2020 1:56 pm

00:00

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## Global Stats

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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### Re: What is the approximate minimum length of a rope required to enclose an area of 154 square meters?

by [email protected] » Wed Aug 05, 2020 12:15 am
sambati wrote:
Tue Aug 04, 2020 1:56 pm
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
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.