If the ratio of the area and the diameter of a circle is 22:7 find the perimeter of the circle.
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Answer:
Step-by-step explanation:
πr²/d=22/7
Diamtere can be written as 2r
πr²/2r=22/7
r=2cm
Perimeter of circle =2πr
=> 2×22/7×2
=> 12.57cm
Hope its helps u
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