Line segment q r , line segment r s are line segment s q midsegments of δwxy. triangle r q s is inside triangle x y w. point r is the midpoint of side x y, point s is the midpoint of side y w, and point q is the midpoint of side x w. the length of q r is 2.93 centimeters, the length of r s is 2.04 centimeters, and the length of q s is 2.28 centimeters. what is the perimeter of δwxy? 11.57 cm 12.22 cm 12.46 cm 14.50 cm