Lines
Triangles
Polygons
100
line segment
What is the shortest distance between two points?
100
equilateral triangle
What is a triangle with all sides congruent?
100
rectangle
I have two sets of congruent lines, and two sets of parallel lines.
200
congruent
What is a synonym for equal to?
200
scalene triangle
What is a triangle that has no congruent sides?
200
equilateral triangle
I have 6 lines of symmetry
300
Isosceles triangle
What is a triangle with two congruent sides and two congruent angles?
400
Acute triangle
What is a triangle that has all its angles less than 90 degrees?
500
Obtuse triangle
What is a triangle that has one angle greater than 90 degrees but less than 180 degrees?