Let triangle ABCABC be a equilateral triangle with length equals to 1. Let point PP be an arbitrary point in the interior of triangle ABCABC, DD be point on BC¯¯¯¯¯¯¯¯BC¯, EE be point on CA¯¯¯¯¯¯¯¯CA¯, and FF be point on AB¯¯¯¯¯¯¯¯AB¯, so that PD¯¯¯¯¯¯¯¯∥AB¯¯¯¯¯¯¯¯PD¯‖AB¯, PE¯¯¯¯¯¯¯¯∥BC¯¯¯¯¯¯¯¯PE¯‖BC¯, and PF¯¯¯¯¯¯¯¯∥AC¯¯¯¯¯¯¯¯PF¯‖AC¯. Find the value of PD+PE+PFPD+PE+PF. for that problem could you give me a hint/ solution because I can't figure it out