Answer:
I have no idea
Step-by-step explanation:
Answer:
288 is your answer. Your welcome
They can be derived by using calculus(integration to be precise)


(its how pi is defined)
so that gives circumference
to get area , you use integration


that gives the area.
if you don't know calculus yet ,dont worry, just remember the formulae.
Answer:
269points
Step-by-step explanation:
112/5=22.4
22.4x12=268.8
268.8≈269