Answer:
your answer is 284. Hope I helped
284.52
Step-by-step explanation:
total area = area of semi circle + area of rectangle
area of semicircle = pi r^2 /2.
= 3.14 * (12/2) ^2 ...divided by 2
= 56.52
area of rectangle = length * breadth
= 19*12
= 228
5.9987174899
9.654km / 1.609344
= 5.9987174899mi
p=36
a=3**18
p=sum of all sides
a=(3*)/2
I asked my teacher if we could use that she said it's considered cheating, I still use it
