ABC is a triangle and through A, B, C lines are drawn parallel to BC, CA and AB respectively interesting at P, Q and R. Then the perimeter of ∆PQR is

ABC is a triangle and through A, B, C lines are drawn parallel to BC,

1.	ABC is a triangle and through A, B, C lines are drawn parallel to BC, CA and AB respectively interesting at P, Q and R. Then the perimeter of ∆PQR is
Answer» ABC is a triangle and through A, B, C lines are drawn parallel to BC, CA and AB respectively interesting at P, Q and R. Then the perimeter of ∆PQR is