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kakasveta [241]
2 years ago
7

The area of the small shape is 35 square feet. The big shape is larger by a scale factor of 4/3. Find the area of the large shap

e to the nearest tenth.
a) 62.2 square feet
b) 140 square feet
c) 46.7 square feet
d) 186.7 square feet
e) none of these
Mathematics
1 answer:
sdas [7]2 years ago
4 0

Answer:

Option a) 62.2 square feet  

Step-by-step explanation:

we know that

The dilation is a non-rigid transformation that produces similar figures

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

Let

z ----> the scale factor

x ----> the area of the large shape

y ----> the area of the small shape

so

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

we have

z=\frac{4}{3}

y=35\ ft^2

substitute

(\frac{4}{3})^{2}=\frac{x}{35}

\frac{16}{9}=\frac{x}{35}

solve for x

x=\frac{16}{9}(35)=62.2\ ft^2

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