## NCERT Solutions Class 10 Maths – Triangles | Chapter 6 Exercise – 6.4 Question 8 and 9

Triangles | Chapter 6 Exercise 6.4 Question 8:  ABC and BDE are two equilateral triangles such that D is the mid-point of BC. Ratio of the area of triangles ABC and BDE is (A) 2 : 1     (B) 1 : 2       (C) 4 : 1      (D) 1 : 4 Solution: Detailed explanation of question 8  is […]

## NCERT Solutions Class 10 Maths – Triangles | Chapter 6 Exercise – 6.4 Question 7

Triangles | Chapter 6 Exercise 6.4 Question 7:  Prove that the area of an equilateral triangle described on one side of a square is equal to half the area of the equilateral triangle described on one of its diagonals. Solution: Detailed explanation is given in the below image and YouTube video. Next Post

## NCERT Solutions Class 10 Maths – Triangles | Chapter 6 Exercise – 6.4 Question 6

Triangles | Chapter 6 Exercise 6.4 Question 6:  Prove that the ratio of the areas of two similar triangles is equal to the square of the ratio of their corresponding medians. Solution: Detailed explanation is given in the below image and YouTube video. Next Post

## NCERT Solutions Class 10 Maths – Triangles | Chapter 6 Exercise – 6.4 Question 5

Triangles | Chapter 6 Exercise 6.4 Question 5:  D, E and F are respectively the mid-points of sides AB, BC and CA of ∆ABC.  Find the ratio of the area of ∆DEF and ∆ABC. Solution: Detailed explanation is given in the below image and YouTube video. Next Post

## NCERT Solutions Class 10 Maths – Triangles | Chapter 6 Exercise – 6.4 Question 4

Triangles | Chapter 6 Exercise 6.4 Question 4:  If the areas of two similar triangles are equal, prove that they are congruent. Solution: Detailed explanation is given in the below image and YouTube video. Next Post

## NCERT Solutions Class 10 Maths – Triangles | Chapter 6 Exercise – 6.4 Question 3

Triangles | Chapter 6 Exercise 6.4 Question 3:  In the following figure, ABC and DBC are two triangles on the same base BC. If AD intersects BC at O, Shows that Solution: Detailed explanation is given in the below image and YouTube video. Next Post

## NCERT Solutions Class 10 Maths – Triangles | Chapter 6 Exercise – 6.4 Question 2

Triangles | Chapter 6 Exercise 6.4 Question 2:  Diagonals of a trapezium ABCD with AB || DC intersect each other at the point O. If AB = 2CD, find the ratio of the areas of triangles AOB and COD. Solution: Detailed explanation is given in the below image and YouTube video. Next Post

## NCERT Solutions Class 10 Maths – Triangles | Chapter 6 Exercise – 6.4 Question 1

Triangles | Chapter 6 Exercise 6.4 Question 1:  Let ∆ABC ~  ∆DEF and their areas be, repectively, 64 cm2 and 121 cm2. If EF = 15.4 cm, find BC. Solution: Detailed explanation is given in the below image and YouTube video. Next Post