the ratio of the radii of two circles is 6:7,find the ratio of their circumference
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ratio of circumference = ratio of their radius
so ratio of circumference is 6:7
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4
Answer:
6:7
Step-by-step explanation:
- If the ratio of radiii of two circles is 6:7
- Let x to be added
- Then Radius of first circle (r) = 6x
- also , radius of another circle (R)= 7x
- Since the ratio of their circumference is
2πr/2πR
=> 2r/2R
=> 2(6x)/2(7x)
=>6:7
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