Area Formulas
- The area K of the parallelogram to the right (the blue area) is the total area of the rectangle less the area of the two orange triangles.
- The area of the rectangle is
- and the area of a single orange triangle is
- Therefore, the area of the parallelogram is
- Another area formula, for two sides B and C and angle θ, is
- The area of a parallelogram with sides B and C (B ≠ C) and angle at the intersection of the diagonals is given by
Read more about this topic: Parallelogram
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