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Area Formulas
The areas of different shapes.
10
Mathematics
12th Grade
06/27/2010
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Cards

Term
Area of a square.
 Definition
a2
Term
Area of a rectangle.
 Definition
ab
Term
Area of a parallelogram.
 Definition
bh
Term
Area of a trapezium.
 Definition
0.5(a+b)h
Term
Area of a circle.
 Definition
πr^2
Term
Area of an ellipse.
 Definition
πab
Term
Area of an annulus.
 Definition
π(R^2-r^2)
Term
Area of a sector.
 Definition
(*/360)πr^2
Term
Area of a triangle.
 Definition
1/2bh
Term
Triangle; SAS (2 sides, opposite angle).
 Definition
(1/2) a b sinC
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