Answer:
19.5
Explanation:
Park is a quadrilateral formed by a rectangle and a right triangle
Rectangle has length of 5 and width of 3
Right triangle has 1 side of 3 and the other side = 8 - 5 = 3
Area of the park = area of rectangle + area of right triangle
(5 x 3) + (3 x 3)/2 = 15 + 4.5 = 19.5