### Formula

p

length of one diagonal

A

area of quadrilateral

q

length of the other diagonal

theta

angle between p and q

p

length of one diagonal

A

area of quadrilateral

q

length of the other diagonal

theta

angle between p and q

A quadrilateral is a polygon with four sides (or edges) and four vertices or corners. The lengths of the diagonals are p and q and the angle between them is theta.

A

q

theta

p

Precision

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