Areas of Plane Figures

Class 8 · Mathematics · 3 lessons

This chapter, Areas of Plane Figures, is part of the Class 8 Mathematics syllabus under CBSE, Telangana and Andhra Pradesh boards. It contains 3 lessons — starting with Introduction to Areas, Exercise 9.1 — Areas of Polygons, Exercise 9.2 — Circle Areas — each with free, step-by-step PDF notes you can study directly in the browser or present in class in fullscreen mode. Work through the lessons in order below; later exercises in this chapter generally build on the concepts introduced in the earlier ones.

∑
Introduction to Areas
Areas of trapezium, rhombus, rectangle and square.
Open
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Exercise 9.1 — Areas of Polygons
Problems based on areas of polygons.
Open
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Exercise 9.2 — Circle Areas
Area of circle, circular path or ring and area of sector.
Open