Question

Talia is writing a coordinate proof to show that the diagonals of a square are perpendicular. Which sentence describes what Talia should do to show that the diagonals of the square are perpendicular?

Answer 1

Answer:

D.

Step-by-step explanation:

The slopes of perpendicular lines are negative reciprocals. That means that their product is -1.

In option D, since the slopes are 1 and -1, their product is -1, and the lines are perpendicular.

Answer: D.