Area Formulas & Area Formulas
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Area of a triangle
A = ½bh
composite figure
A figure that is made up of two or more shapes.
triangle
A polygon with 3 sides and 3 angles
Area of a parallelogram
A=b×h
Area of a trapezoid
A=½(b₁+b₂)h
Trapezoid
a quadrilateral for which exactly one pair of opposite sides is parallel
rectangle
a quadrilateral that have all right angles
Parallelogram
a quadrilateral where opposite sides are parallel and congruent
Area of a square
area = (s)²
h
height
s
side length
b
the length of the base