1.which figure is not a polygon?

a b c d

2.which polygon appears

a-c d-b

3. classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular.

pentagon, not regular

hexagon not regular

hexgon regular

pentagon regular

4. classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular

hexagon regular

octagon regular

decagon not regular

heptagon not regular

5. classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular

heptagon regular

octagon regular

heptagon not regular

octagon not regular

give a brainlest

this is for geometry 9th grade for k12