The Magic of the Circle in Geometry and Life

Game Math, Jan 9, 2026

eBook for all teams

Table of Contents

  1. CircleLab in Geogebra_Team 1
    1. Jean Monnet HS Sofia design
    2. Jean Monnet Luca Iancu
    3. Cristi semicercuri 7A
    4. Jean Monnet -Luca -Circle
    5. Jean Monnet worksheet - Hearts, Carlos
    6. CC - CircleLab - Hugo G
    7. CC - CircleLab - Izan
    8. CC - CircleLab - Carmen
    9. CC - CircleLab - inma
    10. CC - CircleLab - Danielito
    11. CC - CircleLab - Manuela
    12. CC - Circle Lab - carmen bote
    13. CC - Circle Lab - jorge
    14. CC - Circle Lab - Candela Prat
  2. Geo Art Studio_Team 2
    1. Jean Monnet - desen semicercuri 2 - Ana
    2. Jean Monnet - mandala Mara
    3. Jean Monnet HS- Sofia flower
    4. Jean Monnet HS - Ana - mandala
    5. Jean Monnet HS, Alessia
    6. Jean Monnet HS- circles - Iancu
    7. Jean Monnet HS 4circle
    8. Jean Monnet - Alessia
    9. vlad popa jm cercuri
    10. Jean Monnet HS composition3
    11. Composition 2, Iancu -Jean Monnet HS
    12. Cristian, Jean Monnet HS, composition 1
    13. CC - Circle Geo Art - Hugo Nogales
    14. CC - Circle Geo Art - Araceli
    15. CC - Circle Geo Art - Candela
    16. CC - Circle Geo Art - danielito
    17. CC - Circle Geo Art - Yanire Morón Sáez
    18. CC - Circle Geo Art - Marta González Retamal
    19. CC - Polygonal Flower - Manuela
    20. CC - Circle Geo Art - Ivan
  3. Perfect Shape Detectives_Team 3
    1. Jean Monnet stained glass M
    2. jm quizizz
    3. Jean Monnet HS, Cropcircle -Maria
    4. Jean Monnet HS, Cropcircle Maria 2
    5. Jean Monnet HS problem - Sofia
    6. Jean Monnet HS problem - Sofia
    7. CC - Circle Geo Art - Ivan
    8. Jean Monnet HS Crop Spiral
    9. Cake, Andrei - JMonnet HS
    10. alessia jm inima
    11. CC - Perfect Shape - Diana
    12. CC - Perfect Shape - daniel
    13. CC - Perfect Shape - Daniel
  4. Teachers worksheets
    1. Jean Monnet High School -Worksheet Circle
    2. Problem EN III.4 RO (variant)
    3. CC - The Park Fountain

1.

CircleLab in Geogebra_Team 1

for Team 1

  • 1. Jean Monnet HS Sofia design
  • 2. Jean Monnet Luca Iancu
  • 3. Cristi semicercuri 7A
  • 4. Jean Monnet -Luca -Circle
  • 5. Jean Monnet worksheet - Hearts, Carlos
  • 6. CC - CircleLab - Hugo G
  • 7. CC - CircleLab - Izan
  • 8. CC - CircleLab - Carmen
  • 9. CC - CircleLab - inma
  • 10. CC - CircleLab - Danielito
  • 11. CC - CircleLab - Manuela
  • 12. CC - Circle Lab - carmen bote
  • 13. CC - Circle Lab - jorge
  • 14. CC - Circle Lab - Candela Prat

1.1.

Jean Monnet HS Sofia design

A flower is made up of 8 petals, which are semicircles. [br]Each semicircle has a diameter of 5 cm.
The radius of a semicircle is ....
The area of ​​the flower is....
– Game Math

1.2.

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1.3.

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1.4.

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1.5.

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1.6.

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1.7.

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1.8.

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1.9.

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1.10.

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1.11.

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1.12.

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1.13.

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1.14.

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2.

Geo Art Studio_Team 2

for Team 2

  • 1. Jean Monnet - desen semicercuri 2 - Ana
  • 2. Jean Monnet - mandala Mara
  • 3. Jean Monnet HS- Sofia flower
  • 4. Jean Monnet HS - Ana - mandala
  • 5. Jean Monnet HS, Alessia
  • 6. Jean Monnet HS- circles - Iancu
  • 7. Jean Monnet HS 4circle
  • 8. Jean Monnet - Alessia
  • 9. vlad popa jm cercuri
  • 10. Jean Monnet HS composition3
  • 11. Composition 2, Iancu -Jean Monnet HS
  • 12. Cristian, Jean Monnet HS, composition 1
  • 13. CC - Circle Geo Art - Hugo Nogales
  • 14. CC - Circle Geo Art - Araceli
  • 15. CC - Circle Geo Art - Candela
  • 16. CC - Circle Geo Art - danielito
  • 17. CC - Circle Geo Art - Yanire Morón Sáez
  • 18. CC - Circle Geo Art - Marta González Retamal
  • 19. CC - Polygonal Flower - Manuela
  • 20. CC - Circle Geo Art - Ivan

2.1.

Jean Monnet - desen semicercuri 2 - Ana

– Game Math

2.2.

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2.3.

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2.4.

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2.5.

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2.6.

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2.7.

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2.8.

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2.9.

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2.10.

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2.11.

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2.12.

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2.13.

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2.14.

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2.15.

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2.16.

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2.17.

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2.18.

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2.19.

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2.20.

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3.

Perfect Shape Detectives_Team 3

for Team 3

  • 1. Jean Monnet stained glass M
  • 2. jm quizizz
  • 3. Jean Monnet HS, Cropcircle -Maria
  • 4. Jean Monnet HS, Cropcircle Maria 2
  • 5. Jean Monnet HS problem - Sofia
  • 6. Jean Monnet HS problem - Sofia
  • 7. CC - Circle Geo Art - Ivan
  • 8. Jean Monnet HS Crop Spiral
  • 9. Cake, Andrei - JMonnet HS
  • 10. alessia jm inima
  • 11. CC - Perfect Shape - Diana
  • 12. CC - Perfect Shape - daniel
  • 13. CC - Perfect Shape - Daniel

3.1.

Jean Monnet stained glass M

– Game Math

3.2.

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3.3.

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3.4.

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3.5.

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3.6.

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3.7.

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3.8.

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3.9.

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3.10.

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3.11.

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3.12.

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3.13.

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4.

Teachers worksheets

for Teachers

  • 1. Jean Monnet High School -Worksheet Circle
  • 2. Problem EN III.4 RO (variant)
  • 3. CC - The Park Fountain

4.1.

Jean Monnet High School -Worksheet Circle

BDEF is a rectangle. The blue circle is inscribed in triangle DEF. DF is the common tangent of the circle and the semicircle. BD is the tangent of the semicircle at point B.
With the notations in the figure above, prove that GHMN is a square.[br]Show the labels on the original drawing. Draw the quadrilateral.
If EH=x and HD=y, find AB and FD
Demonstrate y=3x
Draw the segment GA on the original drawing.[br]Find [math]\frac{_{Area_{blue}}}{Area_{orange}}[/math]
– Game Math

4.2.

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4.3.

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