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Ierofanga [76]
3 years ago
9

Cuál opción incluye las tres expresiones algebraicas que representan correctamente el area total de la figura

Mathematics
1 answer:
Nostrana [21]3 years ago
3 0

Para un rectangulo de lado L y ancho W, el area está dada por:

A = L*W

Veremos que la opción correcta es B: 1, 2 y 4.

En la imagen podemos ver que el largo del rectangulo es 2*y

Y el ancho del rectangulo es 2*x

Entonces, el area será:

A = (2*y)*(2*x)

Podemos ver que esto es la expresión 2, por lo que ya sabemos que esa es correcta.

Para encontrar las otras correctas, solo reescribimos lo que tenemos arriba:

A = 2*y*2*x = 2*(2*x*y) = 2*x*y + 2*x*y

Esto es lo que tenemos en la expresión 4.

A su vez, podemos separar uno de esos terminos como:

A = 2*x*y + 2*x*y = (x*y + x*y) + 2*x*y = x*y + x*y + 2*x*y

Esto es lo que tenemos en la expresión 1.

finalmente podemos ver que la opción correcta es B: 1, 2 y 4.

Si quieres aprender más, puedes leer:

brainly.com/question/24603998

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