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edjiejwi
18.01.2020 •
Mathematics
Circle a has been enlarged to create circle b. circle a's circumference was 8. circle b has been enlarged to circumference 28. what scale factor was used to create circle b?
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Ответ:
The scale factor 7:2 was used to create circle B.
Step-by-step explanation:
Given:
Circumference of Circle A = 8
Circumference of Circle B = 28
We need to find the scale factor which was used to create circle B.
Solution:
To Scale factor we will Divide Circumference of Circle B with Circumference of Circle A.
framing in equation form we get;
Scale factor =![\frac{28}{8} = \frac{7}{2}](/tpl/images/0460/3284/e7148.png)
Hence The scale factor 7:2 was used to create circle B.
Ответ: