NCERT Solutions for Class 9 Maths Chapter 7 Triangles Exercise 7.5 Solutions

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NCERT Solutions for Class 9 Maths Chapter 7 Triangles Exercise 7.5 Solutions are based on the summary of previous exercises, like SAS Congruence Rule, ASA Congruence Rule, AAS Congruence Rule, SSS Congruence Rule, RHS Congruence Rule and Properties of Triangle.

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CBSE X Related Questions

  • 1.
    If 14th term of an A.P. is 4 and its 15th term is zero, then its first term is

      • –48
      • –56
      • 56
      • 48

    • 2.
      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 \(PQ \perp OQ\).


        • 3.
          \(17 \times 11 \times 13 + 11\) is

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

          • 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 a circular museum hall of radius 14 m, some statues are displayed. Statues are kept inside the inner concentric circle of radius 7 m. One such statue lying in sector OAB, is fenced along line segments OA, AP, PB and BO where P is a point on outer circle. Based on above information, answer the following questions:

              37(i) Find \(m\angle AOP\).


                • 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 ?

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