A square piece of paper is folded in half tomake a rectangle. The perimeter of therectangle is 24.9 cm. What is the side lengthof the square piece of paper?
Question
A square piece of paper is folded in half tomake a rectangle. The perimeter of therectangle is 24.9 cm. What is the side lengthof the square piece of paper?
Solution
Vamos a resolver el problema paso a paso.
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Entender el problema:
- Tenemos un papel cuadrado que se dobla por la mitad para formar un rectángulo.
- El perímetro del rectángulo es 24.9 cm.
- Queremos encontrar la longitud del lado del cuadrado original.
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Definir variables:
- Sea la longitud del lado del cuadrado original.
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Doblar el cuadrado:
- Al doblar el cuadrado por la mitad, se forma un rectángulo.
- Las dimensiones del rectángulo serán (la longitud) y (el ancho).
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Perímetro del rectángulo:
- La fórmula del perímetro de un rectángulo es .
- Sustituimos las dimensiones del rectángulo: .
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**Igualar al
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