Question

The question in the photo.

Answer 1

\[a=\pi(4.5)^2\]

Answer 2

Is that the answer?

Answer 3

About 64 units.

Answer 4

Count the full squares, then add on the pieces.

Answer 5

The diameter is 9. The area is pi*r^2. The radius (r) is half of the diameter. So pi*(4.5)^2.


Hope this helps. If it does, please choose good answer.

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Answer 6

It asks for a range, thus:
\[\pi4^2 \le a \le \pi5^2\]

Answer 7

so whats the answer?