Vocabulary
Quadilaterals
Polygons
True/False
Describe Plane Shapes
100
a shape formed by two rays that share the same endpoint
angle
100
I only have two parallel sides
trapezoid
100
I am a polygon with three sides and angles
triangle
100
a rectangle is also a square
false, a square is also a rectangle but a rectangle cannot be called a square because it does not have four equal sides
100
<--------->
line
200
a shape that begins and ends at the same point
closed shape
200
I have two pairs of parallel sides and four right angles, all of my sides are equal length
square
200
I am a polygon with five sides and five angles
pentagon
200
all closed shapes are polygons
false a polygon must be more than closed, it has to have line segments and a circle is closed but does not use line segments.
200
<------------
ray
300
a straight path extending in both directions with no endpoints
line
300
I have two pairs of parallel sides, 4 right angles, and two sides are 4 cm and the other two sides are 7 cm
rectangle
300
I am a polygon with six sides and six angles
hexagon
300
a polygon can be made with two line segments
false, you need three line segments or more to make a polygon
300
.
point
400
a part of a line that includes two endpoints and all the points between them
line segment
400
I have four sides of equal length and no right angles
rhombus
400
I am a polygon with eight sides and eight angles
octagon
400
a trapezoid can have two right angles
true
a right trapezoid has two right angles
400
------------------->
ray
500
a shape that does not begin and end at the same point
open shape
500
I can sometimes be called a rectangle but a rectangle cannot have my name because it does not have four sides of equal length
square
500
I am a polygon with ten sides and ten angles
decagon
500
an angle greater than 90 degrees is obtuse
true
500
O-------------------O
line segment