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There is no simple way to find the area of a general quadrilateral. It will require information about the lengths of the sides and a pair of opposite angles. The quadrilateral is divided into two triangles by joining the other pair of angles and using the trigonometric formula for the area of each triangle.

So, suppose the sides of the quadrilateral are of lengths a, b, c and d units

the angle between a and d is A; and

the angle between b and c is C

then

Area = 1/2[a*d*sin(A) + b*c*sin(C)] square units.

Q: How do you find the area of a four sided polygon?

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The area of a four-sided polygon is base times height.

A square is a regular four-sided polygon.

A hexagon is a six-sided polygon. A four-sided polygon is a quadrilateral, quadrangle, or tetragon.

A four-sided polygon has two diagonals.

If you restrict yourself to integers, the perimeter of a four-sided polygon is 16.

Related questions

The area of a four-sided polygon is base times height.

A square is a regular four-sided polygon.

A hexagon is a six-sided polygon. A four-sided polygon is a quadrilateral, quadrangle, or tetragon.

A four-sided polygon has two diagonals.

If you restrict yourself to integers, the perimeter of a four-sided polygon is 16.

A pentagon and a quadrilateral, respectively.

A four sided polygon with four congruent sides is a rhombusA square.

A four sided polygon is a quadrilateral.

A quadrilateral is any four-sided polygon. For that reason, by definition the properties of quadrilaterals are valid for any four-sided polygon.

The sum of the interior angles of a four-sided polygon is 360 degrees.

A four-sided polygon may be called a tetragon, quadrilateral, or quadrangle.

A square is a four-sided polygon with two congruent parallel sides.