Area of a Rectangle, A = L x W, Area of a Square, A = L x L = L2, Area of a Triangle, A = (b x h) / 2, Area of a Parallelogram, A = b x h, Area of a Trapezium, A = (a + b) h / 2, Area of a Kite, A = xy / 2, Area of a Circle, A = ∏ r2, Area of a Composite Shape, Add all the seperate areas together!, Perimeter, How far around the outside of the shape (add all the outside line lengths together), Volume, The amount of "stuff" a 3D shape can hold on it's inside, Area, The amount of "stuff" on the inside of a flat 2D shape

Area Formulas

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