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Kiara Singh
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Asked: 2026-10-01T06:12:26+00:00 In:

Draw a non-convex 4-gon DART. Show how we can tile the plane with copies of DART. Both methods that we discussed earlier will work. Which do you prefer?

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Tile by rotating adjacent copies 180° around edge midpoints or by mapping copies onto a Varignon parallelogram grid. The half-turn rotation method is preferred because it requires no initial background grid.

Ganita Manjari Part 2 chapter 12 Quadrilaterals solutions
Class 9 New Ganita Manjari Part 2 Book Solutions

cbse class 9 maths ganita manjari part 2 solutionsclass 9 maths ganita manjari part 2 chapter 12 question answerganita manjari part 2 chapter 12 quadrilaterals solutionshow we can tile the plane with copies of dartnon-convex 4-gon dart
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    1. Draw non-convex quadrilateral DART with an internal dent angle exceeding 180°. In Method 1, repeatedly rotate copies by 180° around the midpoints of each shared edge, creating an interlocking plane tiling. In Method 2, build a grid using the Varignon parallelogram of DART and position copies onto alternating cells. Method 1 is generally preferred for its simplicity and directness without pre-drawing a grid.

       

      For more NCERT Solutions of Class 9 Maths Ganita Manjari Part 2 Chapter 12 Quadrilaterals Question Answer (2026-27)

      https://www.tiwariacademy.com/ncert-solutions/class-9/maths/ganita-manjari-chapter-12/

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