Fill in the ▼'s:
Shannon says that the lines with slopes −​3, −1/3, −​3, and 1/3 could represent the sides of a rectangle. Explain​ Shannon's error.
Part 1
options: parallel and perpendicular
In a​ rectangle, opposite sides are ▼ and adjacent sides are ▼.
Part 2:
Since ▼ the same​ slope, ▼ .