Types of Lines
I have one endpoint and one side that keeps going
Ray
45 degree angle
Acute
All of my sides are the same.
Equilateral Triangle
I have sides of equal length and all right angles.
Square
The following letter is symmetrical: F, N, M, S
M
These types of lines appear on railroad tracks.
Parallel Lines
This type of angle is formed by the letter E.
Right Angle
None of my sides are the same size.
Scalene Triangle
I have four sides, two sets of parallel sides, and all right angles. Which shape can I not be? square, rectangle, trapezoid
Trapezoid
The following letter is not symmetrical: A, D, W, Z
D
This letter has both parallel lines and perpendicular lines. A H T Y
H
This angle is larger than a right angle, but smaller than a straight angle.
Obtuse
I have one angle that is 122 degrees.
Obtuse Triangle
I have four sides of equal length. Two of my angles are acute and two are obtuse.
Rhombus
This shape is symmetrical: circle, parallelogram, trapezoid, a scalene triangle
Circle
My lines cross, but they do not have to cross at a right angle.
Intersecting Line
There are 3 _______________ angles in the letter M.
Acute
All of my angles are less than 90 degrees.
Acute Triangle
I have four sides, 2 seta of parallel lines, and my sides do not have to be equal.
Rectangle
How many lines of symmetry does an equilateral triangle have?
3
A lower case t is a an example of these types of lines.
Perpendicular Lines
Perpendicular lines form these angles.
Right
If you draw a diagonal through a square, you will have this type of triangle: right, isosceles triangle obtuse, scalene triangle acute, obtuse triangle
Isosceles Triangle
A square, rectangle, rhombus, and parallelogram all have this in common.
2 sets of parallel sides
There are _____ lines of symmetry in the letter H.
2