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Annulus
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Regions between circles and squares
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Pythagorean Theorem
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Annulus Area
An
annulus
is the region lying between two concentric
circles
Annulus Area
Area =
Find the area of the shaded region:
Area =
R=6 and r=2
Area =
=
=
Find the area of the annulus whose radius are 2 and 5
Take
Area=