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Area
Number of square units inside a shape Think how many little squares cover the surface
Formula for square or rectangle
A = length × width
Formula for parallelogram
A = base × height
Example
Base = 12 in Height = 6 in → A = 12 × 6 = 72 in2
Quick tips
Multiply base by height not the slanted side Units are always squared like cm2 in2 or m2
Memory trick
Perimeter is the fence outside Area is the floor inside
TITLE
Area of Parallelograms 9 26 25