A quadrilateral with four sides is known as a rectangle. The opposite sides of a rectangle are both equal in length and parallel. A rectangle is also a parallelogram as a result of this.
This four-sided shape has four right angles, or 90-degree angles on each side. A rectangle’s inside angles add up to 360 degrees. Its two diagonals are equal and cross at the rectangle’s centre.
Area, perimeter, and diagonal lengths are some of the most essential rectangle formulas. The area formula is length multiplied by width, or l x w, for a rectangle of length and width. The perimeter is 2(l + w), and the diagonal length is calculated by taking the square root of the sum of the width and length squares, respectively.