r=90 C=2*п*r= 2*3.1415926*90=565.487
d = C/360*46=565.487/360*46=72.257 r=5 C=2*п*r= 2*3.1415926*5=31,415926
г = Rad * п* r = 2.8 * 180/3.1415926=160,428
d = C/360*46=31,415926/360*160,428=13,999983