Does your shape have parallel sides?
Yes
No
Yes
No
Does your shape have one reflex angle?
Yes
No
Question
Yes
No
Question
Yes
No
answer
answer
answer
answer
Kite
Arrowhead
Question
Yes
No
Question
Yes
No
Question
Yes
No
Question
Yes
No
Question
Yes
No
Question
Yes
No
Question
Yes
No
answer
answer
answer
answer
answer
answer
answer
answer
I can guess what shape you are thinking of
Look at the partially filled out example below to see how the logic of the yes/no-if/else question answer works. Then complete your own decision tree questions below the white line
I can guess your quadrilateral