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A circle has a radius of 5 feet what is the circumference of a bigger circle if the scale factor of the smaller to bigger is 2:5

A circle has a radius of 5 feet what is the circumference of a bigger circle if the scale factor of the smaller to bigger is 2:5
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A circle has a radius of 5 feet what is the circumference of a bigger circle if the scale factor of the smaller to bigger is 2:5

User Ram Rajamony
by
7.2k points

1 Answer

3 votes
5/2= 2.5
2.5 x 5= 12.5
circumference is 12.5 x pi x2
=25pi.
User Dimitry Ernot
by
8.3k points
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