Hello, Telo!

Draw chordGiven square ABCD with side

A and D are centers of quarter-circles.

The arcs intersect at K.

Find the area of shaded region.

Code:B *-*-------*-* C | K*:::::| | */..*:::| | *./.....*:| |*./.......*| a |./.........| */..........* A *-----------* D a

The area of quarter-circle is:-

The area of sector is:-

The area of segment is:-

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