VIVIANI’S THEOREM AND RELATED PROBLEMS
Submitted by:
Goh Zi Jia
Hoang Viet Giang Huong
Jeslyn Ch’ng Tze Yin
Nguyen My Binh An
Class 4.1 - Paya Lebar Methodist Girls’ School (Secondary)
A project presented to the 2020 Singapore Mathematics
Project Festival
2020 Singapore Mathematics Project Festival Viviani’s Theorem and its Related Problems
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TABLE OF CONTENTS
Abstract ................................................................................................................................................. 2
Introduction ........................................................................................................................................... 2
Literature review .................................................................................................................................. 3
I. Original Viviani’s Theorem for Equilateral Triangle ..................................................................... 3
II. Extension of Viviani’s Theorem ................................................................................................... 3
1. Parallelogram ....................................................................................................................... 3
2. 2k-sided polygons with parallel opposite sides ..................................................................... 5
3. Regular polygons .................................................................................................................. 5
4. Equiangular polygons ........................................................................................................... 6
5. Converse of Viviani’s theorem ............................................................................................. 8
6. Conditions for polygons to possess CVS property ................................................................. 9
III. Carnot’s Theorem ......................................................................................................................... 8
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