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Constructing Different Shapes of Eyes
Last updated at February 6, 2026 by Teachoo
Class 7 (Ganita Prakash 1, 2 & old NCERT)
Chapter 6 Class 7 - Constructions and Tilings (Ganita Prakash II)
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Constructing an Eye
- Constructing a Perpendicular Bisector
- Constructing angle 90°
- Construction Methods in Śulba-Sūtras
- Constructing Angle Bisectors
- Figure it out - Pag 144, 145
- Constructing Copy of an Angle
- Construction of a Line Parallel to the Given Line
- Constructing Arch Designs
- Constructing Regular Hexagon, Angle 60° and 6-pointed Star
- Figure it out - Pag 154, 155
- Tangrams
- Tiling
- Figure it out - Page 160
- Tiling the Entire Plane
Transcript
Constructing Different Shapes of EyesWe want to construct different shapes of eyes How will we do it? We choose different "centers" for your compass. Instead of A and B, we pick points C and D. For a thin eye: Pick C and D closer to the line XY. For a round eye: Pick C and D further away from the line XY. Will C and D lie on the perpendicular bisector AB? Yes. To keep the eye symmetrical (so the left side equals the right side), the centers must lie on that middle line (the perpendicular bisector). So, we can generalise this then Any point that is the same distance from X and Y will always land on that perpendicular bisector line.
