China Naming Network - Feng Shui knowledge< - Find out the area of the photocopied part
Find out the area of the photocopied part
You connect the diagonal lines of the square. Divide this picture into eight identical parts.
The area of each shady part = quarter circle, and the cross-sectional area of triangle =0.25*pi*2*2-2*2/2=pi-2.
Then the shadow area is 8pi- 16.