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Leona [35]
3 years ago
9

A rectangle 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 answ

er as a fraction.
Mathematics
2 answers:
PolarNik [594]3 years ago
8 0
Area of rectangle = lb = 47 m^2

Dilation by a factor of 7 results in 1/7 l x 1/7 b = 1/49 lb = 1/49 (47) = 47/49 = 0.9592
Levart [38]3 years ago
7 0

Answer:

The area of the dilated rectangle is 28\ m^{2}

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

z^{2}=\frac{x}{y}

In this problem we have

z=7

y=(4/7)\ m^{2}

substitute and solve for x

7^{2}=\frac{x}{4/7}

x=49*(4/7)=28\ m^{2}


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<h2>{\green {\boxed {\colorbox {black} {\green {King\:Brainly01}}}}} </h2>

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◇◆□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□◆◇

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