divide the parralelogram into three sections--a rectangle and two triangles and find the area of each
(triangle is 1/2 base x height)
(rectangle is length times width
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It depends on what information you DO have.
There is no exact formula to find the area of a parallelogram * * * * * It all depends on what information you do have. If you know the base length, B, and the vertical height, H, then the area is B*H square units. If you don't know H but know an angle then some trigonometry will enable you to find H.
A formula is needed to find the area of a parallelogram. It is a very simple formula which notates Area = base x height.
Area = length*perpendicular height
To find the area of a parallelogram you have to multiply the base by the height. Therefore A=17∙13. Find the product of 17 and 13 which is 221. A=221. Therefore the area of the parallelogram is 221u(for units)2.