At a Glance - Area Formulas
Let's go over these formulas one more time.
Formulas for different shapes:
Area of Rectangle = Base × Height
Area of Triangle = ½(Base × Height)
Area of Parallelogram = Base × Height
Area of Trapezoid = ½(Base1 + Base2) × Height
Area of Circle = πr2
Area of a Parallelogram
Area of a Triangle
Area of a Trapezoid
Area of a Circle
Area of a Regular Polygon
a = apothem
P = perimeter
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