Yes or no

Is this a polygon?
Yes. It has 3 or more sides and is closed.
Yes or no

Is this a trapezoid?
Yes, it has 4 lines and only 1 pair of parallel lines.
Yes or no

Is this a quadrilateral?
No, there are too many sides
Yes or no

Is this a parallelogram?
Yes, there are 4 sides and 2 sets of parallel lines.
What type of angle is this?
An acute?
A right?
An obtuse?

An acute angle.
Yes or no

Is this a polygon?
Yes, it is closed and has 3 or more sides.
Yes or no

Is this a trapezoid?
No, it does not have 4 sides
Yes or no
Is this a quadrilateral?
No, it is open.
Yes or no

Is this a parallelogram?
No, it does not have enough sides or parallel lines.
What type of angle is this?
An acute?
A right?
An obtuse?

A right angle.
Yes or no

Is this a polygon?
No, It is not closed.
Yes or no

Is this a trapezoid?
No, there are more than 1 pair of parallel lines.
Yes or no

Is this a quadrilateral?
Yes, it has 4 sides and it is closed
Yes or no

Is this a quadrilateral?
Yes, it has 4 sides and 2 pairs of parallel lines.
What type of angle is the black railing?
An acute?
A right?
An obtuse?

What is a rule about polygons?
It has straight lines
It has to be closed
What is a rule about trapezoid?
It has to have only 4 sides
It has to have only 1 pair of parallel lines.
What is 1 rule about quadrilaterals?
It has to have only 4 sides.
It has to be closed.
What is 1 rule about parallelograms?
It has to have only 4 sides.
It has to have 2 pairs of parallel lines.
What is a rule about an right angle?
It has to be exactly 90 degrees.