What is meant by adjacent sides?

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Collegedunia Team

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In mathematics and geometry, adjacent sides refer to sides that share a common endpoint or vertex. Adjacent sides can be found in various two-dimensional shapes, such as squares, rectangles, triangles, and polygons.

For example, in a square, each of the four sides is adjacent to the two sides it touches. In a rectangle, two sides that are opposite each other are referred to as "opposite sides," while the other two sides are considered to be adjacent. Any two sides that share a common vertex are considered to be adjacent sides in a triangle.

Adjacent sides play an important role in many geometric calculations and measurements, such as finding the perimeter of a shape, calculating the area, and determining the interior and exterior angles of a shape. By understanding the relationships between adjacent sides, it is possible to make more precise calculations and predictions about various shapes and figures.

Adjacent Sides

Adjacent Sides

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CBSE CLASS XII Related Questions

  • 1.

    Find:
    Let \(A=[a_{ij}]\) be a \(2\times2\) matrix whose elements are given by \[ a_{ij}=\frac{(2i-j)^2}{3} \] Find the transpose matrix \(A'\).

      • \(\begin{bmatrix} \frac{1}{3} & 3 \\ 0 & \frac{4}{3} \end{bmatrix}\)
      • \(\begin{bmatrix} \frac{1}{3} & 0 \\ 3 & \frac{4}{3} \end{bmatrix}\)
      • \(\begin{bmatrix} \frac{4}{3} & 3 \\ 1 & 0 \end{bmatrix}\)
      • \(\begin{bmatrix} \frac{4}{3} & 0 1 & \frac{3}{3} \end{bmatrix}\)

    • 2.

      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 :


        • 3.

          Evaluate:
          \[ \int_{0}^{1} \frac{x \tan^{-1}x}{(1+x^2)^{3/2}}\,dx \]


            • 4.
              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 \(k\).

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

              • 5.
                Find: \[ \int \frac{x^2}{(x^2-1)(x^2+4)}\,dx \]


                  • 6.
                    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 \( x = 2 \).

                      CBSE CLASS XII Previous Year Papers

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