Types of Lines
Types of Angles
Triangles
Quadrilaterals
Symmetry
100
I have one endpoint and one side that keeps going
a ray
100
45 degree angle
acute
100
All of my sides are the same length.
equilateral triangle
100
I have sides of equal length and all right angles.
a square
100
The following letter is symmetrical: F, N, M, S
M
200
These types of lines appear on railroad tracks.
parallel
200
The letter E forms 4 of these types of angles.
right
200
None of my sides are the same size.
scalene triangle
200
I have four sides, two sets of parallel sides, and all right angles. Which shape can I not be? square, rectangle, trapezoid
a trapezoid
200
The following letter is not symmetrical: A, D, W, Z
D
300
This letter has both parallel lines and perpendicular lines. A H T Y
H
300
This angle is larger than a right angle, but smaller than a straight angle.
Obtuse angle
300
I have one angle that is 122 degrees.
obtuse triangle
300
I have four sides of equal length. Two of my angles are acute and two are obtuse.
a rhombus
300
This/these shapes/shape ALWAYS have/has at least one line of symmetry: circle, parallelogram, trapezoid, a scalene triangle
circle, parallelogram
400
My lines cross, but they do not have to cross at a right angle.
intersecting lines
400
There are 3 _______________ angles in the letter M.
acute
400
All of my angles are less than 90 degrees.
acute triangle
400
I have four sides, one set of parallel lines, and my sides do not have to be equal.
a trapezoid
400
This shape is probably symmetrical: a flag, the state of California, a candy cane, a rock
a flag
500
A lower case t is a an example of these types of lines.
perpendicular lines
500
Perpendicular lines form these angles.
90 degree angles
500
If you draw a diagonal through a square, you will have this type of triangle: right, isosceles triangle obtuse, scalene triangle acute, obtuse triangle
right triangle
500
A square, rectangle, rhombus, and parallelogram all have this in common.
two pairs of parallel sides
500
The number of lines of symmetry that a circle has.
an infinite number
600
The proper way to write that a line segment AB is perpendicular to a line XY
600
<ABC measures 112 degrees. What does <ABS measure?
68 degrees
600
Classify the triangle below according to its sides and angles.
acute, isosceles triangle
** EXTRA $100 if they spelled it correctly!
600
Name this shape and describe TWO of its attributes.
A parallelogram. It is a quadrilateral and has two pairs of parallel sides.
600
The number of lines of symmetry in a hexagon.
6
