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Geometry - Area Formulas
Formulas for Lily C.
8
Mathematics
9th Grade
03/04/2015

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Cards

Term
Area of a rectangle
Definition
A = base * height
Term
Area of a parallelogram
Definition
A = base * height
Term
Area of a triangle
Definition
A = 1/2 * base * height
Term
Area of a trapezoid
Definition
A = 1/2 * h * (b1 + b2)
Term
Area of a rhombus or kite
Definition
A = 1/2 * d1 * d2
Term
Area of a regular polygon
Definition
A = 1/2 * a * p
Term
Circumference of a circle
Definition
C = 2 * pi * r

C = pi * d
Term
Area of circle
Definition
A = pi * r^2
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