NCERT Solutions Class 10 Maths – Triangles | Chapter 6 Exercise – 6.5 Question 8

Triangles | Chapter 6 Exercise 6.5 Question 8: 

In the following figure, O is a point in the interior of a triangle ABC, OD ⊥ BC, OE ⊥ AC and OF ⊥ AB. Show that

(i) OA² + OB² + OC² − OD² − OE² − OF² = AF² + BD² + CE²

(ii) AF² + BD² + CE² = AE² + CD² + BF²

Solution: Detailed explanation of exercise 6.5 question 8 is given in the below image and YouTube video.

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