By definition, the perimeter of the triangle is given by: P = 2L + 2W Where, W: width L: long. Substituting values we have: P = 2*(root((17-10)^2+(12-5)^2)) + 2*(root((10-5)^2 + (5-10)^2)) P = 33.9411255 round to the nearest integer: P = 34 Answer: The perimeter of the rectangle is: B) 34