Concept explainers
To determine whether lines are parallel, perpendicular or neither.
Answer to Problem 47PPS
Lines are perpendicular.
Explanation of Solution
Given information:
Lines
Formula used:
For parallel lines
For perpendicular lines
Calculation:
Line 1
Then slope of line 1
Line 2
Then slope of line 2
Here
Then check for perpenticular
Using perperdicular lines formula
Substitute values of slopes
On solving
Hence, lines are perpendicular.
Chapter 3 Solutions
Geometry, Student Edition
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