the ratio of the area and circumference of circle of diameter D is
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Answered by
1
Step-by-step explanation:
area=πr²
circumference =2πr
ratio= r/2
Answered by
15
Answer:
area of circle(A) = πr^2
circumference of circle(C) = 2πr
therefore, A/C = π(D/2)^2/2π(D/2)
=D^2/4D
=D/4
since r=D/2 ...where r = radius
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