Which of the following is not an example of a study within human geography?
a.
landforms and natural environments
b.
political systems
c.
social and cultural systems
d.
human interactions with the environment

Afootpath is to be constructed in a park in the shape of a parallelogram. when a coordinate plane is laid over a map of the park, the vertices of the footpath are (-4,2) (8,2) (11,7) and (-1,7). what is the perimeter of this path