Question

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Answer 1

Do you know how to find the area of a circle?

Answer 2

What is MAB?

Answer 3

\[\Large Area = \frac{ \theta }{ 360}*\pi r^2\]
All you have to do is plug in the numbers.

Answer 4

18/360 * pi (45)^

Answer 5

The other way around.
45 is the angle and goes in for theta (the Greek letter).
18 is the radius and goes in for r.
Don't forget to square 18.

Answer 6

Good. Now reduce the fraction on the left.

Answer 7

Good, but you can reduce more. Both 9 and 72 are divisible by 9.

Answer 8

Great. One more step:



You can reduce a bit more.