Answer:
A=πr2
C=2πr
Solving forA
A=C2
4π=322
4·π≈81.48733
18 units
Step-by-step explanation:
600
600 hundred is already rounded.
Say if the number was 650, it would round to 700. But if it was 610 it would round to 600.
z13 = 0.5, z17 = 2.5