Perpendicular lines from equation

What are perpendicular lines? perpendicular Matholia educational maths video on perpendicular lines #matholia #singaporemath perpendicular To find the gradient of a line which is perpendicular to one of gradient ab, we invert the fraction and multiply by -1 This

perpendicular If two lines are perpendicular, then their slopes are negative reciprocals Perpendicular lines Explanation 🔇︎