NCERT Solutions for Class 10 Maths Chapter 10 Circles Exercise 10.2

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NCERT Solutions for Class 10 Maths Chapter 10 Circles Exercise 10.2 Solutions are based on Number of Tangents from a Point on a Circle and Solved examples based on the concept. 

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CBSE X Related Questions

  • 1.
    PQ and PR are two tangents to a circle with centre O and radius 5 cm. AB is another tangent to the circle at C which lies on OP. If \(OP = 13\) cm, then find the length AB and PA.


      • 2.
        In the figure given above, \(\triangle ABC \sim \triangle XYZ\), then find the values of \(x\) and \(y\).


          • 3.
            If the quadratic equation \(9x^2 + 8kx + 16 = 0\) has real and equal roots, then the value of k is

              • 3
              • –3
              • –4
              • \(\pm 3\)

            • 4.
              If the pair of linear equations : \( a_1x + b_1y + c_1 = 0 \) and \( a_2x + b_2y + c_2 = 0 \) is consistent and dependent, then

                • \( \frac{a_1}{a_2} \neq \frac{b_1}{b_2} \)
                • \( \frac{a_1}{a_2} = \frac{b_1}{b_2} = \frac{c_1}{c_2} \)
                • \( \frac{a_1}{a_2} = \frac{b_1}{b_2} \neq \frac{c_1}{c_2} \)
                • \( \frac{a_1}{a_2} = \frac{b_1}{b_2} = \frac{c_1}{c_2} \)

              • 5.
                The HCF of 960 and 432 is :

                  • 48
                  • 54
                  • 72
                  • 36

                • 6.
                  If \(\alpha, \beta\) are the zeroes of the polynomial \(p(x) = x^2 - 3x - 1\), then find the value of \(\frac{1}{\alpha} + \frac{1}{\beta}\).

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