NCERT Solutions for Class 9 Maths Chapter 1 Exercise 1.3 Solutions

CBSE X Related Questions

  • 1.
    PQ is tangent to the circle with centre O such that OP = 2OQ. m\(\angle\)OPQ is

      • 15\(^\circ\)
      • 60\(^\circ\)
      • 45\(^\circ\)
      • 30\(^\circ\)

    • 2.
      There are many varieties of mushrooms available in the world. One such mushroom ‘Amanita muscaria’ has a upper part which is like red cap (hemispherical) and lower part is like white stem (cylindrical). The hemispherical cap’s radius = 3 cm and cylindrical stem is 2 cm high with diameter 1.4 cm. Considering mushroom a solid object, answer the following questions:

      36(i) What is the total height of a mushroom ?


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


            • 4.
              Find the missing frequencies p and q in the following frequency distribution, when sum of frequencies is 40 and mean is 19 :


                • 5.
                  Prove that : \(\sqrt{\frac{1 - \cos A}{1 + \cos A}} = \frac{\tan A}{\sec A + 1}\).


                    • 6.
                      If \( 2 \sin A = 1 \), then the value of \( \tan A + \cot A \) is :

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

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