Answer:
the last choice
Step-by-step explanation:
Answer:A
Step-by-step explanation:
The diameter of a circle is calculated by using the formula D=r2pi so plug in the known values to find r=2/pi. Next plug r into the area of a circle formula(A=r^2pi) do so and get 4/pi
Answer:
x=3
Step-by-step explanation:
It is pretty simple.
x = 3 means literally just a vertical line at +3 on the x-axis.
In contrast, y = 3 would mean a horizontal line at +3 on the y-axis.
If you would like to see this for yourself pull-up desmos on your browser and type it into the graphing calculator of desmos.
