Home/ Tanuj Singh/Answers
  1. Asked: In:

    ABC is an isosceles triangle with AB = AC. Draw AP⊥BC to show that Angle B = Angle C.

    Tanuj Singh

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-7/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-7/

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    • 3
  2. Asked: In:

    BE and CF are two equal altitudes of a triangle ABC. Using RHS congruence rule, prove that the triangle ABC is isosceles.

    Tanuj Singh

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-7/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-7/

    See less
    • 3
  3. Asked: In:

    AD is an altitude of an isosceles triangle ABC in which AB = AC. Show that (i) AD bisects BC (ii) AD bisects AngleA.

    Tanuj Singh

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-7/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-7/

    See less
    • 2
  4. Asked: In:

    ABC is a right angled triangle in which ∠A = 90° and AB = AC. Find ∠ B and ∠ C.

    Tanuj Singh

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-7/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-7/

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    • 1
  6. Asked: In:

    In an isosceles triangle ABC, with AB = AC, the bisectors of Angle B and Angle C intersect each other at O. Join A to O. Show that: (i) OB = OC (ii) AO bisects Angle A

    Tanuj Singh

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-7/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-7/

    See less
    • 2
  7. Asked: In:

    Does Euclid’s fifth postulate imply the existence of parallel lines? Explain.

    Tanuj Singh

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-5/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-5/

    See less
    • 2
  8. Asked: In:

    How would you rewrite Euclid’s fifth postulate so that it would be easier to understand?

    Tanuj Singh

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-5/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-5/

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    • 1
  9. Asked: In:

    Why is Axiom 5, in the list of Euclid’s axioms, considered a ‘universal truth’? (Note that the question is not about the fifth postulate.)

    Tanuj Singh

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-5/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-5/

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    • 1
  11. Asked: In:

    If a point C lies between two points A and B such that AC = BC, then prove that AC = ½ AB. Explain by drawing the figure.

    Tanuj Singh

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-5/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-5/

    See less
    • 1
  12. Asked: In:

    Give a definition for each of the following terms. Are there other terms that need to be defined first? What are they, and how might you define them?.

    Tanuj Singh

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-5/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-5/

    See less
    • 1