The formula for the area is. An easy to use free area calculator you can use to calculate the area of shapes like square rectangle triangle circle parallelogram trapezoid ellipse octagon and sector of a circle. Area of a triangle calculation using all different rules side and height SSS ASA SAS SSA etc.
Using the formula for the distance between two points this is The length of a diagonals is the distance between B and D.
Area Width Height Perimeter is the distance around the edges. Formulas explanations and graphs for each calculation. Area of a Parallelogram. Thus the formula is as follows.