geometry
posted by fsgdfgsd .
Find the perimeter of the polygon using the distance formula of Triangle ABC with vertices A(3, 5), B(3, 1), C(0, 1)

AB = sqrt((33)² + (15)²) = sqrt(9+16) = 5
BC = sqrt((03)² + (11)²) = sqrt(9+0) = 3
CA = sqrt((03)² + (15)²) = sqrt(9+16) = 5
Take it from here.