# Is the triangle whose vertices are Points A, B, C Equilateral? ItIsEquilateral:=proc(A,B,C): ItIsZero (DeSq (A,B) - DeSq(A,C)) and ItIsZero (DeSq (A,C) - DeSq(B,C)) end:
ItIsEquilateral:=proc(A,B,C): ItIsZero (DeSq (A,B) - DeSq(A,C)) and ItIsZero (DeSq (A,C) - DeSq(B,C)) end:
ItIsZero (DeSq (A,B) - DeSq(A,C)) and ItIsZero (DeSq (A,C) - DeSq(B,C)) end:
end:
