NCERT Solutions for Class 9 Maths Chapter 7 Triangles Exercise 7.4 Solutions

CBSE X Related Questions

  • 1.
    A chord of a circle, of radius 14 cm, subtends an angle of $60^\circ$ at the centre. Find the area of the smaller sector and perimeter of the smaller segment.


      • 2.
        Use graphical method to solve the system of linear equations : $x = -3$ and $5x - 2y = -5$.


          • 3.
            Prove that: $\frac{\tan \theta}{1 - \cot \theta} + \frac{\cot \theta}{1 - \tan \theta} = 1 + \tan \theta + \cot \theta$


              • 4.
                The value of p for which roots of the quadratic equation $x^2 - px + 6 = 0$ are rational, is

                  • $1$
                  • $-5$
                  • $25$
                  • $\sqrt{5}$

                • 5.
                  If the zeroes of a polynomial p(x) are $-3$ and 8, then p(x) equals

                    • $x^2 + 5x - 4$
                    • $(x + 3) (-x + 8)$
                    • $a(x^2 + 5x - 24)$
                    • $x^2 - 24$

                  • 6.
                    Two water taps together can fill a tank in $8\frac{8}{9}$ hours. The tap of larger diameter takes 4 hours less than the smaller one to fill the tank separately. Find the time in which each tap can separately fill the tank.

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