Geometric dance

This task involves demonstrating some geometric shapes and properties.
Dance 1: Circle Dance A

On a marked out circle:
  • Firstly show the diameter
  • Then show a semi-circle
  • Finish by showing an arc
Dance 2: Line Dance

Do the following:
  • Firstly show vertical lines
  • Then show parallel lines
  • Finish by showing horizontal lines
 
Dance 3: Rectangle Dance

On a marked rectangle:
  • Firstly show perpendicular lines
  • Then show the perimeter
  • Finish by showing diagonal lines
Dance 4: Circle Dance B

On a marked circle:
  • Firstly show the radius
  • Then show the circumference
  • Finish by showing a sector
 
Dance 5: Angle Dance

Do the following:
  • Firstly show an obtuse angle
  • Then show an acute angle
  • Finish by showing a right angle
Dance 6: Triangle Dance

Do the following:
  • Firstly show an equilateral triangle
  • Then show an isosceles triangle
  • Finish by showing a right-angled triangle