Answer:
2 × n - 1 = x
Step-by-step explanation:
for example:


Answer:
14.13 m^2
Step-by-step explanation:
Formula for area:
3.14*r^2
To find the radius(r), you do diameter(d)/2:
9/2=4.5
3.14*4.5^2=14.13 m2
Answer:
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Step-by-step explanation:
I am pretty sure that it is the first choice because it is the only one that is true