Chapter 5: Shapes and Designs
๐ About this chapter
Symmetry, tessellation, tangrams, patterns in geometry.
๐ฏ
Learning Objectives
By end of this chapter you will:
1
Understand Lines of Symmetry and Tessellations2
Define: Symmetry, Line of symmetry, Tessellation3
Solve NCERT exercises confidently๐ Prerequisites
๐Triangles, Lines & Angles
๐ Chapter Stats
Difficulty๐ฑ Beginner
Est. Time24 min
Topics3
Formulas0
Experiments0
Progress0%
๐ก Did You Know?
โฆA human face has approximate bilateral (2-sided) symmetry
โฆBees naturally build hexagonal combs โ using 33% less wax than square cells!
โฆThe word symmetry comes from Greek "symmetria" meaning same measure
โฆTessellations are used in Islamic art (geometric tile patterns)
๐ Key Terms(click any term for AI explanation)