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han68
19.09.2019 •
Mathematics
!
each square on the grid represents 1 km2.
what is the approximate area of this county park?
a.
about 35 km² to 45 km²
b.
about 50 km² to 60 km²
c.
about 65 km² to 75 km²
![! each square on t](/tpl/images/08/19/TwuRnVplMvFnfh15.jpg)
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Ответ:
Ответ:
The new surface area will be![121\ mm^{2}](/tpl/images/0483/6459/61261.png)
Step-by-step explanation:
we know that
If two figures are similar, then the ratio of its surface areas is equal to the scale factor squared
In this problem
The scale factor is![\frac{1}{4}](/tpl/images/0483/6459/0d86b.png)
so
Multiply the scale factor squared by the original surface area to obtain the new surface area