what is a perimeter of rectangle
Answers
Answer:
2(l+b)
Step-by-step explanation:
give me 20 thanks follow and mark me as branlist please
Step-by-step explanation:
Let us first understand the shape and structure of a rectangle. A rectangle is a quadrilateral with four sides. It has straight lines on all 4 sides. The opposite sides of a rectangle are parallel and of equal length. Since a rectangle has four sides, it has four angles.
All angles of a rectangle are equal. It is an equiangular rectangle with four right angles which is 90 degrees. Another property of rectangle is that has two diagonals of equal length. Diagonals are a line that is drawn inside the rectangle connecting opposite corners or vertices and hence the diagonals of a rectangle are congruent.
When we go round a closed figure or body, along its boundary, for once, we cover a distance. The measure of the distance is the perimeter of the figure or body. Let us consider a rectangular field having length and breadth as 150 meters and 90 meters respectively.
To understand and measure the perimeter of the rectangular field, we travel along the boundary of the four sides of the field, starting from a point and ending at the same point. In doing so, we see that we cover a total distance of 480 meters. And hence, the perimeter of the rectangular field is 480 meters. While doing so, we observe that we measure the length and breadth, both, twice.
The perimeter of the Rectangle Formula
P = 2 × (l + b)