Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? do not leave your answer as a fraction.

The area of the dilated rectangle is

Step-by-step explanation:

we know that

If two figures are similar, then the scale factor squared is equal to the ratio of its areas

Let

z------> the scale factor

x-----> the area of dilated rectangle

y-----> the area of the original rectangle

so

In this problem we have

substitute and solve for x

a

step-by-step explanation:

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21

jk it's 20

step-by-step explanation: