how do u find the area of a sector?

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how do u find the area of a sector?

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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What shape is the sector? triangular. rectangular. square? cube?
it is a circle with like 1/4 shaded wiht one side says 2 and is a90 degrree angel
the formula for the are of a circle is \[A={\Pi}r^2\]

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Other answers:

you find the proportion of the total area by finding the angle ratio. Let a be the angle of the shaded area. Then the fraction of the total area that is shaded is a/360. So the area of the shaded region is \[(a/360)*\pi r^{2}\] in your case a=90 90/360=1/4 r=2 ( i think this is what you mean by a side saying 2) \[A=(1/4)\pi 2^{2}=\pi\]

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