수식 22: polygon left parenthesis, "A" , "B" , "D" , "E" , "F" , "E" , "B" , "C" , right parenthesispolygonA,B,D,E,F,E,B,C
22
수식 23: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisM1+Rcost,M2+Rsint