Chapter 7 Class 8 - Area (Ganita Prakash II)

Master Chapter 7 Class 8 - Area (Ganita Prakash II) with comprehensive NCERT Solutions, Practice Questions, MCQs, Sample Papers, Case Based Questions, and Video lessons.

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Why Learn This With Teachoo?

Ready to move beyond just counting squares? In this chapter, we take a deep dive into Area—but not the boring way.

The new Ganita Prakash book introduces a fantastic method called dissection (cutting and rearranging shapes), and there is no better place to master this than Teachoo.

Why Study this Chapter on Teachoo?

Most textbooks just give you a formula and ask you to memorize it. But finding the area of a Trapezium or a Rhombus makes so much more sense when you see how the formula is built.

At Teachoo, we stick to the core philosophy of the new curriculum: Visualization.

  • We don't just say "Area = Base × Height." We show you how a Parallelogram can be cut and moved to look exactly like a Rectangle.

  • We explain how two Trapeziums can combine to form a parallelogram, giving you that logical "Aha!" moment for the formula.

  • We help you solve the tricky "Real Life" problems—like calculating the area of a field using local units or tiling a floor.

What’s Inside?

We cover every concept, theorem, and exercise question from the NCERT Ganita Prakash book, including:

  • Refresher: Recalling the area of Rectangles and Squares.

  • The Logic of Triangles: Why the area is half of a rectangle (and how altitude plays a role).

  • Triangles & Parallel Lines: Understanding why triangles with the same base and between parallel lines have the same perimeter and area properties.

  • Quadrilaterals: Deriving formulas for Parallelograms, Rhombuses, and Trapeziums using the dissection method.

  • Area of Polygons: How to break down complex 5-sided or 6-sided figures into simple triangles to find the total area.

  • Unit Conversions: Mastering conversions between cm², m², inches, feet, and even acres.

Stop memorizing and start visualizing.

Click on a topic name below to get started!