Katmcfee7681
25.02.2021 •
Mathematics
A circle has a radius of 3 feet. A bigger circle is created so that has a ratio of radii is 4:7 with the smaller circle. What is the ratio of the circumferences? *
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Ответ:
Step-by-step explanation:
Given that the circle has a radius of 3 feet . And a bigger circle is created so that the ratio of radii of the two circles is 4 : 7 . And we need to find the ratio of the circumferences .
Now we know that the circumference of the circle is given by ,
Now let the circumference of the first circle be and the circumference of the second circle be .
Finding the ratios :-
Hence the ratio of the circumferences is same as that of the radius .
Ответ:
2.3
Step-by-step explanation:
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