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Long Edge of Parallelogram given Diagonals and Acute Angle between Diagonals Calculator

Calculate Long Edge







Formula

The formula to calculate the Long Edge of Parallelogram is:

eLong=12dLong2+dShort2+(2dLongdShortcos(d(Acute)))

Definition

Long Edge of Parallelogram is the length of the longest pair of parallel sides in a Parallelogram. Long Diagonal of Parallelogram is the length of the line joining the pair of acute angle corners of a Parallelogram. Short Diagonal of Parallelogram is the length of the line joining the pair of obtuse angle corners of a Parallelogram. Acute Angle between Diagonals of Parallelogram is the angle made by the diagonals of the Parallelogram which is less than 90 degrees.

Example Calculation

Let's assume the following values:

Using the formula:

eLong=12182+92+(2189cos(0.872664625997001))=12.3820756089042

The Long Edge is 12.3820756089042 Meters.

Conversion Chart

Long Diagonal (Meters) Short Diagonal (Meters) Acute Angle (Radians) Long Edge (Meters)
15 9 0.872664625997 10.949345352752825
16 9 0.872664625997 11.425003627896135
17 9 0.872664625997 11.902657356280985
18 9 0.872664625997 12.382075608904181
19 9 0.872664625997 12.863061090899391
20 9 0.872664625997 13.345444348982909