Lines
Triangles
Quadrilaterals
Polygons
100
A straight path of points that is endless in both directions.
What is a line
100
A triangle with all sides the same size
What is an equilateral triangle
100
A quadrilateral with 2 sets of parallel lines
What is a parallelogram
100
Can a circle be a polygon?
No
200
A part of a line with two endpoints
What is a line segment
200
A triangle with no sides the same length.
What is a scalene triangle
200
A quadrilateral with exactly one set of parallel lines
What is a trapezoid
200
A polygon with 10 sides
What is a decagon
300
this has one endpoint and continues in one direction forever
What is a ray
300
A triangle with at least two sides that are equal
What is an isosceles triangle
300
A quadrilateral with 2 sets of parallel lines and 4 right angles
What is a rectangle
300
A polygon with at least one angle that goes inward toward the center
What is a concave polygon
400
two line that will never touch
What is parallel lines
400
List the three ways to name a triangle by its angles
acute triangle, obtuse triangle, right triangle
400
A parallelogram with all sides the same length
What is a rhombus
400
A polygon with all angles that point outward away from the center
What is a convex polygon
500
Two lines that intersect to create a right angle
What is perpendicular lines
500
the fewest number of acute angles that can be in a triangle
What is 2
500
This polygon is also a quadrilateral, parallelogram, rectangle, and rhombus.
What is a square
500
If you cut a square on all of its diagonals what shapes would you have? How many?
4 triangles
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