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???