NCERT Solutions for Class 9 Maths Chapter 1 Exercise 1.5 Solutions

CBSE X Related Questions

  • 1.
    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 \(PQ \perp OQ\).


      • 2.
        Find the H.C.F. and L.C.M. of 408 and 312.


          • 3.
            Find the missing frequencies p and q in the following frequency distribution, when sum of frequencies is 40 and mean is 19 :


              • 4.
                Prove that : \(\sqrt{\frac{1 - \cos A}{1 + \cos A}} = \frac{\tan A}{\sec A + 1}\).


                  • 5.
                    If \( 2 \sin A = 1 \), then the value of \( \tan A + \cot A \) is :

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

                    • 6.
                      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 ?

                        Comments


                        No Comments To Show