Answer:
-1
Step-by-step explanation:
Ethan's mistakes in sorting the shapes into two groups are:
- Shape C does not belong to group 1 because it does not have square corners
- Shape F does not belong to group 2 because it does not have any square corners
<h3>How to spot the mistakes?</h3>
From the complete question (see attachment), the shapes are grouped using the following criteria:
- All the shapes in group 1 have 4 square corners
- All the shapes in group 2 have exactly 1 square corner
Using the above rules, Ethan's mistakes are: shapes C and F are placed in the wrong groups
Read more about sorting at:
brainly.com/question/15049854
#SPJ1
Answer:
3
Step-by-step explanation:
If you notice the y is the change in distance, so #3 has the best explanation.
Answer:
nonagon
Step-by-step explanation:
This polygon, with 9 sides connecting 9 points, is a nonagon.