davidoj13
24.10.2020 •
Mathematics
What is the scale factor for this dilation? How do you
know?
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Ответ:
Look at the left-most part of the blue diagram. It is 1 unit high. The corresponding left-most part of the red diagram is 2 units high, which is twice as high as the blue portion it corresponds to.
The scale factor tells us how to enlarge or shrink the object. In this case, the red figure is twice as tall and wide compared to the blue figure.
You can pick any pair of corresponding sides to get the scale factor.
Ответ:
3492km
Step-by-step explanation:If 5cm represents 400km on the scale, and the map shows 43.65cm then,
Let 5cm 400km
43.65cmu
Hence by cross multiplication,
5cmu=43.65cm × 400km
U =(43.65cm ×400km)/5cm
=(17460/5)km
=3492km