.
"A cement walkway is to be poured. It consists of the two rectangles with
dimensions a quarter of a circle with radius 1 yards."
Excuse me, what does it mean, this text above ?
After reading this nonsense, I have no any wish to read it further.
G I B B E R I S H.
I ask you VERY MUCH do not post this N O N S E N S E to the forum.
If I see such GIBBERISH next time, I will delete such post without any explanations,
and will ask the managers of this project to stop your access to the forum.