Question

In the figure below, AC is a diameter of the circle, and is 4 units long. In square units, what is the area of the circle?

2π

4π

6π

8π

16π

Answer 1

\[A=\pi r^2=\frac{\pi d^2}{4}\]

Answer 2

diameter = radius/2=4/2=2
area = pie* (2)^2

Answer 3

@ghazi pi not pie
one is a number, the other is a delicious treat

Answer 4

@completeidiot sorry :)