Concept explainers
To verify the perpendicularity of given beams.
Answer to Problem 2GP
The beams are not perpendicular.
Explanation of Solution
Given:
A beam represented by
Concept used:
Two lines are perpendicular if and only if the product of their slopes is
Slope of a line joining the points
Calculation:
Let m1 and m2 be the slopes of the beams
Now slope of the line joining the points
Similarly the slope of the line joining the points
Now,
Therefore, the beams are not perpendicular.
Chapter 4 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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