(2) Find the following ratios.
The ratio of circumference of circle with radius r to its area
Answers
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Step-by-step explanation:
CSA/Area of circle = 2*pi*r/pi*r square
2/r
therefore ratio=2:r
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Answer:
2÷r
Step-by-step explanation:
circumference of circle=2×22×r÷7
area of circle =22×r×r÷7
ratio =( 2×22×r÷7)÷(22×r×r÷7)
=2÷7
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