Class 7 NCERT • Ganita Prakash Maths Portal
Ch 05: Parallel and Intersecting Lines
Select a topic or study module below to explore intersecting lines, linear pairs, vertically opposite angles, parallel lines, transversals, corresponding and alternate angles, optical illusions, and Figure It Out solutions.
Topic 01 • Across the Line
Intersecting Lines, Linear Pairs (180° Sum) & Equal Vertically Opposite Angles
Topic 02 • Perpendicular & Parallel
Perpendicular Lines (90°), Parallel Lines That Never Meet & Set-Square Drawing
Topic 03 • Transversals & F-Angles
8 Angles Made by a Transversal, Corresponding Angles & Parallel Line Equality
Topic 04 • Alternate & Interior Angles
Equal Alternate Interior Angles (Z-Shape), Same-Side Interior Angles (180°) & Parallel Tests
Topic 05 • Illusions & Angle Puzzles
Parallel Line Optical Illusions & Solving Multi-Transversal Geometry Puzzles
Module 06 • Figure It Out & HOTS