Answer:
A=616cm²
Step-by-step explanation:
The question says to use

for pi, now that we know that we proceed like normal and do the formula like this.

Answer:
X=27
Step-by-step explanation:
6x6 =36 divided by 2= 23 + 4 =27
9x9=54 divided by 2=27
Answer:
9.4592x
94592x10^-1
Step-by-step explanation:
Answer:
5.4166
Step-by-step explanation:
...........................
N=9

n=9.333333333333333

that is 15 3's by the way.