Vocabulary
Quadilaterals
Polygons
Angles and Triangles
100

How many times do parallel lines cross?

0

100

I have 4 equal sides

square

100

What is the name of a polygon with 5 sides?

pentagon

100

What type of angle is smaller than a right angle? Less than 90

acute

200

What is the name of a line with two points on the end?

Line segment

200
How many sets of parallel sides does a parallelogram have?

2

200

What is the name of a polygon with 6 sides?

hexagon

200

What type of angle is greater than a right angle? Larger than 90

Obtuse

300

What is the difference between a line and a line segment?

A line segment will have end points at the end and stops, while a line has arrows and continues on forever

300

What are two other names for a square? (there are three)

parallelogram, rhombus, square

300
What are the attributes of a polygon?

Closed, made of line segments, no lines can cross

300

What type of triangle has 3 sides that are all the same length?

Equilateral

400

What is in the middle of intersecting lines where they cross?

point

400

Is a trapezoid a parallelogram?

No, a trapezoid has one set of parallel lines while a parallelogram has two sets of parallel lines.

400

Is a triangle a quadrilateral? Why or why not?

No, a triangle only has 3 sides when a quadrilateral must have 4 sides. 

400

What kind of triangle has no sides the same length?

Scalene

500

What does a ray look like?

a line that has an end point and arrow on the other side. the arrow shows that it keeps going

500

Why is a square a rectangle?

It has 4 right angles and 2 sets of parallel sides

500

Can a circle by a polygon?

No, a circle is not made by line segments

500
What type of triangle has two sides that are the same length?

Isosceles