4-Sided Polygons
4-Angled Polygons
3-Sided Polygons
3-Angled Polygons
Name that Polygon!
100
This is the name one can call all 4-sided polygons.
What is quadrilateral?
100
This is what we call all 4-angled polygons.
What are quadrilaterals?
100
This is what we call 3-sided polygons.
What are triangles?
100
This is what we call 3-angled polygons.
What are triangles?
100
6-sided shape
Hexagon
200
This quadrilateral has four right angles and 4 equal sides. It can be called a rhombus, rectangle, and parallelogram, but we learned in kindergarten that it's common name is this.
What is a square?
200
These 2 quadrilaterals always have 4 right angles.
What are the square and the rectangle?
200
These triangles have 3 equal sides.
What are equilateral triangles?
200
This is how we would classify this triangle by it's angles.
What is an acute triangle?
200
8-sided shape (no equal sides)
Irregular Octagon
300
These are the two names I could call this 4-sided polygon.
What is quadrilateral and trapezoid?
300
This quadrilateral has only one pair of parallel sides.
What is the trapezoid?
300
These triangles have 2 sides that are equal.
What are isosceles triangles?
300
This is how we would classify this triangle by it's angles.
What is a right triangle?
300
Draw an obtuse, scalene triangle.
One angle larger than 90 degrees, no equal sides.
400
Draw a quadrilateral with only 4 congruent sides. What is this shape called?
A rhombus!
400
Draw a quadrilateral with two sets of parallel sides, four congruent sides, and no right angles. What is this shape called?
A rhombus!
400
These triangles have no equal sides.
What are scalene triangles?
400
This is how we would classify this triangle by it's angles.
What is an obtuse triangle?
400
What are three attributes of a polygon?
1) Closed shape
2) At least 3 sides
3) 2-dimensional
4) Straight lines
500
These are the two names we could call this 4-sided polygon.
What are quadrilateral and parallelogram?
500
These are the five names I could call this polygon.
What are parallelogram, quadrilateral, rhombus, rectangle, and square?
500
This is how we would classify this triangle by it's sides.
What is an isosceles triangle?
500
This is how we would classify this triangle by it's sides and angles.
What is a scalene obtuse triangle?
500
What makes a polygon regular & irregular?
Regular polygons must have equal sides and equal angles.
Irregular polygons have unequal sides and unequal angles.