NCERT Solutions for Class 10 Maths Chapter 12 Exercise 12.2

CBSE X Related Questions

  • 1.
    \(17 \times 11 \times 13 + 11\) is

      • a prime number.
      • multiple of 17.
      • a composite number.
      • an odd number.

    • 2.
      Determine the ratio in which the line \(2x + y = 6\) divides the line segment joining the points (1, 3) and (2, 5).


        • 3.
          In the given figure, \(\Delta ABC\) is a right-angled triangle with \(\angle A = 90^\circ\). AD is perpendicular to BC.

          35(a)(i) Prove that \(\Delta DBA \sim \Delta DAC\)


            • 4.
              If \( 2 \sin A = 1 \), then the value of \( \tan A + \cot A \) is :

                • \( \sqrt{3} \)
                • \( \frac{4}{\sqrt{3}} \)
                • \( \frac{\sqrt{3}}{2} \)
                • \( 1 \)

              • 5.
                In the given figure, PQ is a tangent to a circle with centre \(O(-5, 3)\). If coordinates of P and Q are \((3, 1)\) and \((0, 6)\) respectively, then using distance formula, show that \(PQ \perp OQ\).


                  • 6.
                    Prove that : \(\sqrt{\frac{1 - \cos A}{1 + \cos A}} = \frac{\tan A}{\sec A + 1}\).

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