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

NCERT Class 10 Ex 6.4

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 given in the below image and YouTube video.

class 10 chapter-6 ex 6.4 Q-8

Triangles | Chapter 6 Exercise 6.4 Question 9: 

Sides of two similar triangles are in the ratio 4 : 9. Areas of these triangles are in the ratio

(A) 2 : 3              (B) 4 : 9             (C) 81 : 16            (D) 16 : 81

Solution: Detailed explanation of question 9  is given in the below image and YouTube video.

class 10 chapter-6 ex 6.4 Q-9

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