What Is the formula of finding breadth of Rectangle?

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The formula for finding the breadth (b) of a rectangle is b = Area / Length. Where Length (l) is the longer side of the rectangle, and Area (A) is the product of the length and breadth.

Note: The breadth and width of a rectangle are used interchangeably, and they refer to the same dimension.

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Length and Breadth of Rectangle

Length and Breadth of Rectangle

Let us Understand the Formula through Examples

Example 1: A rectangle has an area of 120 square meters and a length of 20 meters. What is the breadth of the rectangle?

Solution: Breadth = 120 ÷ 20 = 6 meters

Example 2: A rectangle has an area of 144 square inches and a length of 12 inches. What is the breadth of the rectangle?

Solution: Breadth = 144 ÷ 12 = 12 inches

Example 3: A rectangle has an area of 150 square centimeters and a length of 30 centimeters. What is the breadth of the rectangle?

Solution: Breadth = 150 ÷ 30 = 5 centimeters

Important Points to Remember while Finding Breadth of a Rectangle

  • The breadth of a rectangle is one of the four important measurements required to fully describe the size and shape of a rectangle.
  • The breadth of a rectangle is equal to the width of the rectangle if it is oriented with its sides parallel to the x- and y-axes.
  • The breadth and length of a rectangle can be interchanged to create a different rectangle with the same area.
  • In a square, the breadth and length are equal, which makes finding the breadth of a square easier than a rectangle.

Also check:

CBSE CLASS XII Related Questions

  • 1.
    Find:

    The principal value of \[ \sec^{-1}(\sqrt{2})+2\csc^{-1}(-2) \] is:

      • \(-\frac{\pi}{2}\)
      • \(-\frac{\pi}{4}\)
      • \(\frac{\pi}{4}\)
      • \(\frac{\pi}{2}\)

    • 2.

      An NGO organises a charity event in which they decide to distribute woollen caps to protect children from winter. The caps to be distributed are in three separate boxes, Box I has 30 red caps, Box II has 20 red and 10 green caps, and Box III has 30 green caps. The probability that a Box i is selected and a cap picked out is i/6, where i = 1, 2, 3.  
      Based on the above information, answer the following questions :


        • 3.
          Find:

          If the function \[ f(x)= \begin{cases} \frac{\sin x}{x}+\cos x, & x\neq0\\ k, & x=0 \end{cases} \] is continuous at \(x=0\), then find the value of \(k\).

            • \(0\)
            • \(-2\)
            • \(-1\)
            • \(2\)

          • 4.
            Using integration, find the area of the region bounded by the curve \( y = x|x| \), the x-axis, and the vertical lines \( x = -2 \) and \( x = 2 \).


              • 5.

                At a birthday party, children are being served orange juice in conical cups, as shown in the figure. 


                Each cup is 15 cm deep and has a radius 5 cm. The juice is being poured into this cup at a rate of 0·1 cm3/s.
                On the basis of the above information, answer the following questions :


                  • 6.

                    A carpenter needs to design a wooden box in the shape of a cuboid such that the sum of its length and breadth is 3 cm more than its height. Twice of its length, thrice of its breadth and its height add up to 10 cm. Its breadth added to 7 times its height is 1 cm less than 3 times its length. 

                      CBSE CLASS XII Previous Year Papers

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