Coordinate Geometry: Checking Perpendicularity
Read this topicExplanations 4
- Two lines, ℓ\ellℓ and mmm, are perpendicular if and only if the angle made between them at their intersection is 90∘90^\circ90∘. Two lines, ℓ\ellℓ and mmm, are perpendicular if …
By Ahaan Rungta
- If you are given two lines, they are perpendicular if and only if their slopes multiply to be −1-1−1. If you are given some coordinates, you can use them to find the slopes and …
By Ahaan Rungta
- Remember, perpendicular lines are lines that intersect at a right angle. An interesting property held by perpendicular lines is that the product of the slopes of perpendicular l…
By Michael Yang, Catherine Yeo, Cassie Taylor, Moor Xu, Victor Wang
- Perpendicular lines are lines that intersect once at a 909090 degree angle. The slopes of the two perpendicular lines are the opposite reciprocals of each other. This means that…
By Kevin Yang, Victor Wang