11-04-2019
Mathematics

contestada

what is the area of the smaller rectangle

what is the area of the smaller rectangle class=

Respuesta :

15-04-2019

Answer:

C. 3780 in²

Step-by-step explanation:

The formula of an area of the smaller rectangle:

A = xy

The formula of an area of the larger rectangle:

A' = (3x)(3y)=9(xy) = 9A

We have the area of the smaller rectangle:

A = 420 in²

Therefore the area of the larger rectangle is:

A' = 9(420) = 3780 in²

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