The area of two circles are in the ratio 49 is to 64 find the ratio of their circumference
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Area of 1 circle / Area of 2 circle = 49:64
Pi r² / pi R² = 49/64
r²/R² = 49/64
r/R = 7/8
C1/C2 = 2pi r / 2pi R
C1/C2 = 7/8
=7:8
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