if the ratio of the circumference to the area of a circle is 2:7,then what is the diameter of the circle
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Answer:
Diameter = 14 cm
Step-by-step explanation:
As given
2πr : πr^2 = 2:7
=> 2πr/πr^2 = 2/7
=> 2/r = 2/7
=> r = 7×2/2
=> r = 7 cm
So diameter = 2r = 2×7 = 14 cm
I HOPE IT HELPS YOU....
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