How to Draw Regular Polygons

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Demonstrates drawing regular polygons using a circle compass and protractor.

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How to draw regular polygons : 

How to draw regular polygons by Zoe Williams 31 August 2008

Slide 2: 

An equilateral triangle Draw a circle with a compass.

Slide 3: 

Draw a circle with a compass. Mark the center and top. An equilateral triangle

Slide 4: 

Draw a circle with a compass. Mark the center and top. How many degrees are in a circle? An equilateral triangle

Slide 5: 

Draw a circle with a compass. Mark the center and top. How many degrees are in a circle? 360° An equilateral triangle

Slide 6: 

Draw a circle with a compass. Mark the center and top. How many degrees are in a circle? 360° How many corners are in a triangle? An equilateral triangle

Slide 7: 

Draw a circle with a compass. Mark the center and top. How many degrees are in a circle? 360° How many corners are in a triangle? 3 An equilateral triangle

Slide 8: 

Draw a circle with a compass. Mark the center and top. How many degrees are in a circle? 360° How many corners are in a triangle? 3 Divide 360° by 3. An equilateral triangle

Slide 9: 

Draw a circle with a compass. Mark the center and top. How many degrees are in a circle? 360° How many corners are in a triangle? 3 Divide 360° by 3. 120° An equilateral triangle

Slide 10: 

Draw a circle with a compass. Mark the center and top. How many degrees are in a circle? 360° How many corners are in a triangle? 3 Divide 360° by 3. 120° With a protractor, line up the middle dot and the top dot. An equilateral triangle

Slide 11: 

Draw a circle with a compass. Mark the center and top. How many degrees are in a circle? 360° How many corners are in a triangle? 3 Divide 360° by 3. 120° With a protractor, line up the middle dot and the top dot. Mark 120° from the top dot. An equilateral triangle

Slide 12: 

Draw a circle with a compass. Mark the center and top. How many degrees are in a circle? 360° How many corners are in a triangle? 3 Divide 360° by 3. 120° With a protractor, line up the middle dot and the top dot. Mark 120° from the top dot. Repeat for the third corner. An equilateral triangle

Slide 13: 

Draw a circle with a compass. Mark the center and top. How many degrees are in a circle? 360° How many corners are in a triangle? 3 Divide 360° by 3. 120° With a protractor, line up the middle dot and the top dot. Mark 120° from the top dot. Repeat for the third corner. Connect the three dots on the circle. An equilateral triangle

Slide 14: 

Draw a circle with a compass. Mark the center and top. How many degrees are in a circle? 360° How many corners are in a triangle? 3 Divide 360° by 3. 120° With a protractor, line up the middle dot and the top dot. Mark 120° from the top dot. Repeat for the third corner. Connect the three dots on the circle. An equilateral triangle

Slide 15: 

Draw a circle with a compass. Mark the center and top. How many degrees are in a circle? 360° How many corners are in a triangle? 3 Divide 360° by 3. 120° With a protractor, line up the middle dot and the top dot. Mark 120° from the top dot. Repeat for the third corner. Connect the three dots on the circle. An equilateral triangle

Slide 16: 

An equilateral hexagon How do I start???

Slide 17: 

An equilateral hexagon Can you make a regular: hexagon, square, pentagon, septagon, and octagon???

Slide 18: 

An equilateral hexagon Can you make a regular: hexagon, square, pentagon, septagon, and octagon???

Slide 19: 

An equilateral hexagon Can you make a regular: hexagon, square, pentagon, septagon, and octagon???

Slide 20: 

An equilateral hexagon Can you make a regular: hexagon, square, pentagon, septagon, and octagon???

Slide 21: 

An equilateral hexagon Can you make a regular: hexagon, square, pentagon, septagon, and octagon???

Slide 22: 

An equilateral hexagon Can you make a regular: hexagon, square, pentagon, septagon, and octagon???