Rectangle side calculator
Side
In geometry, a side can be defined as a line connecting two vertices of a figure or two-dimensional figure. Our online calculator will help you find the side, edge of more than 11 shapes.
Rectangle
Rectangle — is a quadrangle in which all angles are straight (equal to 90 degrees). In Euclidean geometry, for a quadrilateral to be a rectangle, it is enough that at least three of its angles are straight, then the fourth angle, by the theorem on the sum of the angles of a polygon, will also be 90 °.
Rectangle side calculator
The rectangle side can be found by the diagonal and other side, according to the Pythagorean theorem, since the diagonal divides the rectangle into two equal right triangles.
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