Example 7 - Chapter 6 - Class 10 | Triangles | NCERT Maths | CBSE

Watch other solution here:    • Example 7 - Chapter 6 - Class 10 ( So...  

This question has been solved in two different ways:
1) Using similar triangles concept (This tutorial)
2) using trigonometric ratios (   • Example 7 - Chapter 6 - Class 10 ( So...  )

Example 7: A girl of height 90 cm is walking away from the base of a lamp-post at a speed of 1.2 m/s. If the lamp is 3.6 m above the ground, find the length of her shadow after 4 seconds.

In this tutorial, you will find the explanation of the following:
Example: 7
Class: 10th
Chapter: 6, Triangles
Textbook: NCERT

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