Given an integer a as the side of the square ABCD. The task is to find the area of the leaf AECFA inside the square as shown below:
Input: a = 7
Input: a = 21
Approach: To calculate the area of the leaf, first find the area of the half leaf AECA, which can be given as:
Area of half leaf = Area of quadrant AECDA – Area of right triangle ACD.
Thus, Area of half leaf = ( PI * a * a / 4 ) – a * a / 2 where PI = 22 / 7 and a is the side of the square.
Hence, the area of full leaf will be ( PI * a * a / 2 ) – a * a
On taking a * a common we get, Area of leaf = a * a ( PI / 2 – 1 )
Below is the implementation of the above approach:
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