Answer:
see the explanation
The answer in the attached figure
Step-by-step explanation:
Part 1) we have a concave polygon with 12 sides
so
The polygon is a dodecagon
A dodecagon is a polygon with twelve sides and twelve angles
Part 2) we have a concave polygon with 6 sides
so
The polygon is a hexagon
A hexagon is a polygon with six sides and six angles
Part 3) we have a concave polygon with 10 sides
so
The polygon is a decagon
A decagon is a polygon with ten sides and ten angles
