Chapter 7 (Ex 7A) | Book 3 | Mensuration | Volume & surface area of Pyramids

📘 Welcome to the next lesson in our Mensuration series for O Level and IGCSE Mathematics.

In this video, we study the volume, surface area, and symmetry of pyramids. The lesson focuses on solving questions from Exercise 7A of Book 3, where each question is discussed one by one with clear explanations and diagrams to help you understand the concepts thoroughly.

We begin by reviewing the key formulas related to pyramids and then apply them step by step to textbook-style questions. Special attention is given to understanding how to calculate volume, how to find the total surface area, and how symmetry applies to different types of pyramids.

In this lesson you will learn:

How to calculate the volume of a pyramid
How to find the total surface area of pyramids
Understanding faces, edges, and symmetry of pyramids
Step-by-step solutions to Exercise 7A questions
How pyramid-related questions appear in O Level and IGCSE exams

By the end of this video, you will be able to confidently solve problems involving pyramids using correct formulas and logical steps.

What’s coming next:
In the next video, we will move on to cones and solve questions from Exercise 7B of Book 3 with the same clear and detailed approach.

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Like, comment, and share if this lesson helped you understand pyramids better.

I hope you enjoy the lesson and learn something valuable. Feel free to ask your questions in the comments.

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