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Write the equation of a perpendicular line using point slope form

👉 Learn how to write the equation of a line that is perpendicular to a given line. The equation of a line is such that its ...
YouTube on MSNOpinion

Writing the equation of a line perpendicular to another through a given point

👉 Learn how to write the equation of a line that is perpendicular to a given line. The equation of a line is such that its ...
BBC

Equation of altitudes and perpendicular bisectors

Now use the information you already have about finding the equation of a line and apply it to the dashed lines shown in these triangles. Remember, to find the equation of a line you need a point ...
BBC

Perpendicular lines - Intermediate and Higher tier

Perpendicular lines will always cross at right angles. To determine if two lines are perpendicular, we need to multiply their gradients together. If the lines are perpendicular to each other, the ...