Advertisement
Advertisement
If each of the two lines is perpendicular to the same line, what kind of lines are they to each
other?
Advertisement
Solution
Let AB and CD be perpendicular to MN
`∠`ABD = 90° [ AB ⊥ MN ] ....(i )
`∠`CON = 90° [CD ^ MN ] ....(ii)
Now,
`∠`ABD = `∠`CDN = 90° [From (i) and (ii)]
∴AB parallel to CD,
Since corresponding angle are equal
Concept: Lines Parallel to the Same Line
Is there an error in this question or solution?