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Parallelogram
- Square
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Triangle
Trapezoid
Kite and Rhombus
Regular polygon
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Sector
Annulus
Segment
Regions between circles and squares
Surface area of Prisms
Surface area of Cylinders
Surface area of Pyramids
Surface area of a Cone
Surface area of Joined Solids
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 3 and 10
Take
Area=