Asked by Anonymous
The ratio of the circumference of circle P to the circumference of circle Q is 5:4.Find the ratio of the area of circle P to the area of circle Q
Answers
Answered by
Reiny
circumference is a linear measurement, thus it is proportional to the lengths of the radii.
ratio of AREA is proportional to the square of the linear measurement
Area P : Area Q = 25 : 16
ratio of AREA is proportional to the square of the linear measurement
Area P : Area Q = 25 : 16
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