How to find: Area of a Rectangle.

Formula: Lxw= area, l=lengh w=width

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 Example:Lxw=

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How to find: Area of a triangle.

Formula:Base x hieght x 1/2 or 1/2 bxh or bxh/2, B=base h=height -shown with a right angle.

Key words:

The base and hieght are connected by the right angle.

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Example:lxw=

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how to find: Area of a Circle.

Keywords:

D=Diameter-a line that