A square is a four-sided polygon with equal sides and angles, also known as a quadrilateral. All internal angles in a square are 90 degrees (right angles), and the sides have equal lengths. Using ...

How to calculate the diagonal of a square, how to calculate the diagonal of a rectangle is used a lot in math problems and practical applications such as design and construction, cutting corners, ...

A rhombus is a quadrilateral with four equal sides, a quadrilateral with two diagonals perpendicular to each other at the midpoint of each line is a rhombus, a parallelogram with two adjacent sides ...