My photo shows a 135 degree angle
Answer: The planet will take 17.58 earth years
Explanation:
Mass of the sun = 1 Solar
Time period of planet = T
Distance between the earth and planet = 6.67 AU
G = gravitation constant = 
Using Kepler's third law:



T = 17.567156 years
The closest answer from the option is 17.58 years
I think it’s D but i’m not too sure
I’m sure it’s called a circuit:)