%%HP: T(1)A(D)F(.);
 { {
"DEMOSTRAR QUE LOS PTOS (1,1),(5,3)"
"(8,0)Y(4,-2) SON LOS VERTICES"
"DE UN PARALELOGRAMO Y HALLAR"
"SU ANGULO OBTUSO."
"MAB=3-1/5-1=2/4=1/2"
"MBC=0-3/8-5=-3/3=-1"
"MCD=-2-0/4-8=2-/-4=1/2"
"MDA=1-(-2)/1-4=3/-3=-1"
"MAB=MCD.  MBC=MDA"
"TAG=MCD" } {
"=ARCTAG 1/2= 2633'"
"TAG B=MDA"
"B=ARCTAG(-1)=-45=135"
" = 135-2633'=10827'"
"" "" "" "" "" "" }
} HELP.3

