Equation of a perpendicular line
In geometry, finding the equation of a perpendicular line is useful when working with shapes like squares and rectangles or analyzing graphs. Perpendicular lines meet at a right angle (90 degrees), and their slopes are opposite reciprocals. This concept helps in tasks such as determining how to build structures with perfect corners or understanding angles in real-world designs like roads and bridges. Jump to the questions
Practise now
Enter the equation of a perpendicular line in the form y = mx + c. For the gradient, enter the correct value or fraction, and for the intercept, input any number.
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