A diagonal of a parallelogram divides it into two congruent triangles, so the area of a parallelogram is twice the area of either of those triangles. Using the area formula for a triangle, the area of the parallelogram shown above is: Learn how to calculate the area of a parallelogram using base and height, sides and angles, or diagonals. Find the area formula , derivation, and solved problems with diagrams and vector form. A parallelogram is a simple quadrilateral with two pairs of parallel sides. Every rectangle is a parallelogram , as well as every rhombus and square. Remember, it doesn't work the other way around! Which formulas does the parallelogram area calculator use? Area is the size of a surface Learn more about Area , or try the Area Calculator.
