Class 7 · Chapter 14
Constructions and Tilings
Constructing angles/triangles and exploring tilings.
Read the full chapter
Ganita Prakash · Class 7 Part 2 (2026-27)
Official NCERT PDF
Latest 2026-27 edition on ncert.nic.in
NCERT Book Portal
Browse every chapter of the latest book
CBSE Academic Portal
Official CBSE curriculum
Tip: NCERT updated the syllabus for 2026-27. The links above open the latest edition on the official portal — chapter titles and numbering may differ from the notes shown here.
Detailed theory
: arc from origin, then equal arc from where it crosses base. : perpendicular bisector construction. : two arcs.
Key concepts & formulas
01
Construct angles: using compass.
02
Construct triangle given SSS, SAS, ASA data.
03
Bisect any angle using two arcs of equal spread.
04
**Tiling**: covering a plane with shapes, no gaps or overlaps.
05
Regular tilings: only triangle, square, hexagon work.