NCERT Solutions for Class 9 Maths Chapter 7 Triangles Exercise 7.3 Solutions

CBSE X Related Questions

  • 1.
    Solve the linear equations \(3x + y = 14\) and \(y = 2\) graphically.


      • 2.
        For any natural number n, \( 5^n \) ends with the digit :

          • 0
          • 5
          • 3
          • 2

        • 3.
          If \(PQ\) and \(PR\) are tangents to the circle with centre \(O\) and radius \(4 \text{ cm}\) such that \(\angle QPR = 90^{\circ}\), then the length \(OP\) is

            • \(4 \text{ cm}\)
            • \(4\sqrt{2} \text{ cm}\)
            • \(8 \text{ cm}\)
            • \(2\sqrt{2} \text{ cm}\)

          • 4.
            A conical cavity of maximum volume is carved out from a wooden solid hemisphere of radius 10 cm. Curved surface area of the cavity carved out is (use \(\pi = 3.14\))

              • \(314 \sqrt{2}\) \(\text{cm}^{2}\)
              • \(314\) \(\text{cm}^{2}\)
              • \(\frac{3140}{3}\) \(\text{cm}^{2}\)
              • \(3140 \sqrt{2}\) \(\text{cm}^{2}\)

            • 5.
              Assertion (A) : If probability of happening of an event is \(0.2p\), \(p>0\), then \(p\) can't be more than 5.
              Reason (R) : \(P(\bar{E}) = 1 - P(E)\) for an event \(E\).

                • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
                • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
                • Assertion (A) is true, but Reason (R) is false.
                • Assertion (A) is false, but Reason (R) is true.

              • 6.
                The dimensions of a window are 156 cm \(\times\) 216 cm. Arjun wants to put grill on the window creating complete squares of maximum size. Determine the side length of the square and hence find the number of squares formed.

                  Comments


                  No Comments To Show