Eldorado
If you're talking about Mason Texas .<span />
As you can see in the map, it is near the center of colombia.
Answer:
Its asking you based on the angle of the shadow and location of the sun, what time and what season would the sun be in that position in?
Explanation:
Look at the position on the sun on the south-west scale. From there check where the sun would be on the different seasons and times.
The question asks for an explanation of the directions so if you want the actual answer I could add that.
C = 2pir
75.36 = 2(3.14)(r)
Solve for r which is 12
Diameter is radius times two, so diameter is 24 cm.