geometry

A rectangular field is 64 m X 25 m. Shawn wants to fence a square field that has the same area as the rectangular field. How long are the sides of the square field? Please explain the thinking behind your solution strategy.

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1. The area of the original field = 1600 m^2

so you want a square that has an area of 1600
let each side be x m
x^2 = 1600
x = 40

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2. Area of rect.

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