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Challenge - Challenge

If a rectangular site has an area of \u200b\u200b448 square meters and the length is 4 meters more than twice its width, its perimeter is:

A) 14 m, B) 32 m , C) 46 m, D) 92 m; missing data.

Answer: We call "A" to the width, we will express the length in terms of width and then build a quadratic equation around the area .... from there we will achieve the value of the width and therefore the length .... see:

Alternative D), the perimeter is 92!

Source: Santillana 3rd. Medium.

NEM: Tercero Medio.

Main Topic: I. Algebra and Functions.

CMO: Quadratic Equation.