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Asked: 2020-12-14T03:53:01+00:00 In:

ABC is an isosceles triangle with AC = BC. If AB² = 2AC² , prove that ABC is a right triangle.

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NCERT Solutions for Class 10 Maths Chapter 6
Important NCERT Questions
Triangles
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 6.5
Page No:150
Questions No:5

2020-2021cbsechapter 6class10mathematicsncerttriangles
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    1. Best Answer

      Given that : AB² = 2AC²
      ⇒ AB² = AC² + AC²
      ⇒ AB² = AC² + AB² [Because AC = BC]
      These sides satisfy the pythagoras theorem.
      Hence, the triangle ABC is a right angled triangle.

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    2. Get Hindi Medium and English Medium NCERT Solution for Class 10 Maths to download.
      Please follow the link to visit website for first and second term exams solutions.
      https://www.tiwariacademy.com/ncert-solutions/class-10/maths/chapter-6/

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