Top left - We have a half circle with a radius of ( 8 - 4 + 2) / 2 = 6/2 = 3 area = 3.14 * 2^2 = 12.56 km^2
Center - We have an 8 x 2 rectangle = 16 km^2
And, at the bottom we have a 5 x 8 rectangle = 40 km^2
Total area =
12.56 + 16 + 40 =
68 .56 km^2
