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Home/triangles

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Akanksh Singh
Akanksh Singh
Asked: December 29, 2020In: Class 10 Maths

Let Triangles ABC ~ Triangles DEF and their areas be, respectively, 64 cm² and 121 cm². If EF = 15.4 cm, find BC.

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 6.3 Page No:143 Questions No:1

2020-2021cbsechapter 6class10mathematicsncerttriangles
  • 1 1 Answer
  • 153 Views
  • 7 Votes
Answer
Akanksh Singh
Akanksh Singh
Asked: December 28, 2020In: Class 10 Maths

Diagonals of a trapezium ABCD with AB || DC intersect each other at the point O. If AB = 2 CD, find the ratio of the areas of triangles AOB and COD.

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 6.4 Page No:143 Questions No:2

2020-2021cbsechapter 6class10mathematicsncerttriangles
  • 1 1 Answer
  • 90 Views
  • 3 Votes
Answer
Anant
Anant
Asked: December 27, 2020In: Class 10 Maths

ABC is an isosceles triangle right angled at C. Prove that AB² = 2AC².

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:4

2020-2021cbsechapter 6class10mathematicsncerttriangles
  • 1 1 Answer
  • 261 Views
  • 7 Votes
Answer
Akanksh Singh
Akanksh Singh
Asked: December 27, 2020In: Class 10 Maths

D, E and F are respectively the mid-points of sides AB, BC and CA of Triangles ABC. Find the ratio of the areas of Triangles DEF and Triangles ABC.

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 6.4 Page No:144 Questions No:5

2020-2021cbsechapter 6class10mathematicsncerttriangles
  • 1 1 Answer
  • 59 Views
  • 6 Votes
Answer
Aadiv Singh
Aadiv Singh
Asked: December 27, 2020In: Class 10 Maths

Prove that a line drawn through the mid-point of one side of a triangle parallel to another side bisects the third side. (Recall that you have proved it in Class IX).

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 6.2 Page No:129 Questions No:7

2020-2021cbsechapter 6class10mathematicsncerttriangles
  • 1 1 Answer
  • 83 Views
  • 7 Votes
Answer
Ayaan Khan
Ayaan Khan
Asked: December 26, 2020In: Class 10 Maths

D and E are points on the sides CA and CB respectively of a triangle ABC right angled at C. Prove that AE² + BD² = AB²+ DE².

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:151 Questions No:13

2020-2021cbsechapter 6class10mathematicsncerttriangles
  • 1 1 Answer
  • 117 Views
  • 9 Votes
Answer
Anant
Anant
Asked: December 26, 2020In: Class 10 Maths

ABC is an equilateral triangle of side 2a. Find each of its altitudes.

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:6

2020-2021cbsechapter 6class10mathematicsncerttriangles
  • 1 1 Answer
  • 47 Views
  • 6 Votes
Answer
Akanksh Singh
Akanksh Singh
Asked: December 26, 2020In: Class 10 Maths

If the areas of two similar triangles are equal, prove that they are congruent.

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 6.4 Page No:144 Questions No:4

2020-2021cbsechapter 6class10mathematicsncerttriangles
  • 1 1 Answer
  • 39 Views
  • 7 Votes
Answer
Aadiv Singh
Aadiv Singh
Asked: December 26, 2020In: Class 10 Maths

If AD and PM are medians of triangles ABC and PQR, respectively where triangle ABC ~ triangle PQR, prove that AB/PQ=AD/PM

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 6.3 Page No:141 Questions No:16

2020-2021cbsechapter 6class10mathematicsncerttriangles
  • 1 1 Answer
  • 35 Views
  • 7 Votes
Answer
Aadiv Singh
Aadiv Singh
Asked: December 24, 2020In: Class 10 Maths

Diagonals AC and BD of a trapezium ABCD with AB || DC intersect each other at the point O. Using a similarity criterion for two triangles, show that OA/OC=OB/OD.

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 6.3 Page No:139 Questions No:3

2020-2021cbsechapter 6class10mathematicsncerttriangles
  • 1 1 Answer
  • 108 Views
  • 4 Votes
Answer
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