the perimeter of a Circle is equal to twice that of a square than the ratio of their area area
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Answer:
Given : The perimeter of a circle is equal to twice that of square,
To Find : ratio of their areas is: -
Solution:
Radius of circle = r
Side of square = a
Perimeter of circle =2πr
Perimeter of square = 4a
2πr = 2 * 4a
=> r = 4a/π
Area of circle = πr² = π(4a/π)² = 16 a²/π
Area of square = a²
Ratio = 16 /π
16/(22/7)
= 7 * 16 /22
= 56/11
ratio of their areas is: - 56/11
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