Lines
Angles
Triangles
2-D shapes
Different types of lines
100
2 lines that will never meet.
Parallel lines
100
right angle
100
right triangle
100
triangle
100
point
200
intersecting lines
200
obtuse angle
200
obtuse triangle
200
square
200
line
300
Perpendicular line
300
Has a 90-degree angle.
right triangle
300
acute triangle
300
trapezoid
300
ray
400
How many lines of symmetry does a heart have?
1
400
Has an angle greater than 90 degrees.
Obtuse angle
400
equilateral triangle
400
hexagon
400
line segment
500
How many lines of symmetry does an octagon have?
8
500
Acute angle
500
scalene triangle
500
oval
500
ray