Скачать или смотреть Exercise 7.3 | Questions 7 to 11 | Class 9 Mathematics (New Book 2025) Chapter 7 | Lecture 74

In this lecture, we’ll solve Questions 7 to 11 of Exercise 7.3 from the Punjab Textbook 2025.
These questions are based on distance and midpoint formulas, and practical applications like finding distances on maps, Earth, and rectangular fields using coordinate geometry.

🧮 Formulas Used:
Distance = √[(x₂ − x₁)² + (y₂ − y₁)²]
Midpoint = ((x₁ + x₂) / 2 , (y₁ + y₂) / 2)

📘 Topics Covered:

Q7 → Finding distance between ports on Earth using coordinates

Q8 → Finding total fencing length of a rectangular field

Q9 → Calculating air distance between two cities

Q10 → Perimeter of a land plot using coordinates

Q11 → Fencing requirement for a rectangular garden

drive link 🖇️ https://drive.google.com/drive/folder...

🧠 Learning Outcomes:

Apply distance formula in real-life geometry questions

Find total perimeter using coordinate points

Understand how coordinate geometry connects with geography


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