NCERT Solutions for Class 9 Maths Chapter 11 Constructions Exercise 11.1 Solutions

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NCERT Solutions for Class 9 Maths Chapter 11 Exercise 11.1 Solutions are based on the concept of shapes and their individual constructions.

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Exercise Solutions of Class 9 Maths Chapter 11 Constructions

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CBSE X Related Questions

  • 1.
    An arc of length $2.2\text{ cm}$ subtends an angle $\theta$ at the centre of the circle with radius $2.8\text{ cm}$. The value of $\theta$ is

      • $50^\circ$
      • $60^\circ$
      • $45^\circ$
      • $30^\circ$

    • 2.
      A bag contains 25 balls. Some of them are yellow and others are green. One ball is drawn at random. If probability of getting a green ball is $3/5$, then find the number of yellow balls.


        • 3.
          Two dice are rolled together. The probability of getting an outcome $(x, y)$ where $x \gt y$, is

            • $\frac{5}{12}$
            • $\frac{5}{6}$
            • $1$
            • $0$

          • 4.
            Prove that: $\frac{\tan \theta}{1 - \cot \theta} + \frac{\cot \theta}{1 - \tan \theta} = 1 + \tan \theta + \cot \theta$


              • 5.
                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.


                  • 6.
                    Prove that $14 - 2\sqrt{3}$ is an irrational number, given that $\sqrt{3}$ is irrational.

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