What is a polygon
Is a 2D shape that is closed with straight lines
Regular or Irregular: Square
Regular
I am a triangle that only has equal sides. What am I?
I am an equilateral triangle
I am a triangle with angles that each measure 60 degrees. What am I?
I am a acute angled triangle
I am a triangle with three equal sides and angles that are all 60 degrees. What am I?
I am a equilateral, acute angled triangle
A regular polygon must have equal sides and
Equal angles
Regular or Irregular: Rectangle
Irregular
I am a triangle with only two equal sides. What am I?
I am an isosceles Triangle
I am a triangle with an angle more than 90 degrees. What am I?
I am an obtuse angled triangle
I am a triangle that has two equal sides and one angle that measures 89 degrees. What am I?
I am a isosceles, acute angled triangle
An irregular polygon is a polygon that
Regular or Irregular: Scalene Triangle
Irregular
I am a triangle that has no equal sides. What am I?
I am a Scalene Triangle
I am a triangle that has the following angles: 50, 50 and 80 degrees. What am I?
I am an acute angled triangle
I am a triangle that has two equal sides and one angle that measures 95 degrees. What am I?
I am an isosceles obtuse angled triangle.
No
Regular or Irregular: Trapezium
Irregular:
I am the only triangle that is a regular polygon. What am I?
I am an Equilateral Triangle
I am a triangle that has two angles that add up to 90 degrees, and one other angle. What am I?
I am a right angled triangle
I am a triangle with one angle measuring 80 degrees, and two measuring 50 degrees. What am I?
I am an isosceles acute angled triangle
Why is a circle NOT a polygon
It does not have straight lines, sides or edges.
Regular or Irregular: Circle
It is not a polygon at all.
I am triangle with the side lengths of 6cm, 2cm and 8cm. What am I?
I am a Scalene Triangle
I am a triangle who has two equal angles that equal to 160. What am I?
I am an acute angled triangle
I am a triangle with two equal sides and an angle measuring 90 degrees. What am I?
I am an isosceles, right angled triangle