Use this image to classify each pair of lines. Select Parallel, Perpendicular, or Cannot Be Determined to classify each pair of lines.
Parallel
Perpendicular
Cannot Be Determined

QR & ST ---> Parallel

ST & QS ---> Perpendicular

RT & QR ---> Perpendicular

QS & RT ---> Parallel

Step-by-step explanation:

2 lines are said to be parallel lines if they will never intersect with each other.

2 lines are said to be perpendicular lines if angle between both the lines are 90°.

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80