Using our calculator can save you time and prevent calculation errors. Simply enter the known length/width and dioganal of the rectangle, and our calculator will use the rectangle side formula to find the length of the unknown side. Use our free online calculator to find the length of the unknown side of a rectangle. Multiply the width and length of the rectangle. Therefore, the width of the rectangle is 33.54 units. To find this rectangles area, you need to: Convert feet to inches. We can use the rectangle side formula to solve for the width of the rectangle: Example 2įind the width of a rectangle with a length of 10 units and an dioganal of 35 units. Therefore, the length of the rectangle is 14.14 units. We can use the rectangle side formula to solve for the length of the rectangle: Example 1įind the length of a rectangle with a width of 5 units and an dioganal of 15 units. Here are some examples of how to use the formula to find the length of a side of a rectangle. Using the formula above, you can rearrange it to solve for any of the sides. ![]() Where d is the dioganal of the rectangle, b is the length of the rectangle, and a is the width of the rectangle. To find the area of a rectangle you need to multiply the length and the width of a rectangle. The formula to calculate the length of a side of a rectangle is: This diagram displays the width, length, and area of a rectangle: Calculating the Area of a Rectangle. ![]() Simply input the known side and dioganals lengths of the rectangle, and our calculator will find the length of the unknown side. How to calculate the area and perimeter of a rectangular figure with rounded corners, use the circular/polygonal geometry formulas and the area calculator. This surface area of a rectangle will automatically find. Again, ensure that you've picked the correct units. Enter the width (or breadth) of the rectangle in its appropriate field. Then calculate the area of the rectangle by multiplying the length(. This surface area of a rectangle calculator is simple to use: Enter the length of the rectangle in its appropriate field. Then we will define the area of rectangle A. 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. First, we will define length L and breadth B. If you need to find the length of one of the sides of a rectangle, our free online rectangle side calculator can help. More Online Geometry Calculators and Solvers. Practice: Find the discriminant of the above quadratic equation and find the condition on P and A under which the above problem has no solution. What is a net Each of the sides is a 4 4 4 4 by 1.5 1.5 1. Lets draw a net of the rectangular prism. Solve the above equation for L and find W using W = P / 2 - L. Find the surface area of the right rectangular prism shown below. is the height of the triangle, to find the area of the triangle. Rewrite as a standard quadratic equation in L be sufficient to find the area of a rectangle divides the shape into a rectangle and a right triangle. In fact, the calculation is quite generic, so it can also calculate the area of parallelogram, square, rhombus, trapezoid, kite, etc., that is, the area of any convex quadrilateral. Find W and L in terms of P and A.Īnd W by P / 2 - L in A = W * L to obtain The online calculator below calculates the area of a rectangle, given coordinates of its vertices. Let W and L be, respectively, the width and length of the rectangle. s Rectangle Calculator is an online basic geometry tool to calculate area, perimeter, diagonal, length or width of a rectangle shape or plane. Let P be the perimeter of a rectangle and A its area. There are conditions under which this problem has a solution (see formulation of problem below). The outputs are the width, length and diagonal of the rectangle. The output our calculator provides is independent of the unit of measurement. ![]() And Width of the vertical sides into Width 1 and Width 2. Step 2: Enter length of horizontal sides into Length 1 and Length 2. Then these equations are solved for L and W which are the length and width of the rectangle.Įnter the perimeter P and area A as positive real numbers and press "enter". Step 1: Measure all sides of the area in one unit (Feet, Meter, Inches or any other).
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