NCERT Solutions for Class 9 Maths Chapter 13 Exercise 13.2 Solutions

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NCERT Solutions for Class 9 Maths Chapter 13 Exercise 13.2 Solutions are based on the concept of Surface area of a right circular cylinder.

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Read More: NCERT Solutions For Class 9 Maths Chapter 13 Surface Areas and Volumes

Exercise Solutions of Class 9 Maths Chapter 13 Surface Areas and Volumes

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CBSE X Related Questions

  • 1.
    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 ?


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

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

        • 3.
          If 14th term of an A.P. is 4 and its 15th term is zero, then its first term is

            • –48
            • –56
            • 56
            • 48

          • 4.
            Determine the ratio in which the line \(2x + y = 6\) divides the line segment joining the points (1, 3) and (2, 5).


              • 5.
                In the given figure, two triangles ABC and PQR are shown such that \(\angle A = \angle P\) and \(\angle C = \angle R\). If \(AD \perp BC\) and \(PS \perp QR\), then prove that (i) \(\Delta ADB \sim \Delta PSQ\) (ii) \(AD \times QS = BD \times PS\).


                  • 6.
                    PQ is tangent to the circle with centre O such that OP = 2OQ. m\(\angle\)OPQ is

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

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