Part A) Area of pond P = Rectangle + 1/2 Circle + 1/2 Circle
. Area of rectangle = 13 x 7 = 91 ft2
Area of Circle =(1/2) π • (7/2)^2 = π•49/8
Then Area of pond is = 91 + π•49/8 + π•49/8
. P =129.5 ft2
Part B) Area of Walkway W = Rectangle + 1/2 Circle +1/2 Circle - P
Area of rectangle = 35 x 15 = 525 ft2
Area of circle = (1/2)π• (15/2)^2 = π•225/8
Then area of Walkway is = 525 + π•225/8 + π•225/8 - 129.5
. W= 572.21 ft2