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Using parallel lines to find the measure of angles

👉 Learn how to solve for an unknown variable using parallel lines and a transversal theorems. Two lines are said to be parallel when they have the same slope and are drawn straight to each other such ...
👉 Learn how to write the equation of a line that is parallel to a given line. The equation of a line is such that its ...
Higher - The gradients of two perpendicular lines will always multiply to make –1. Make sure you are familiar with finding the equation of a line and calculating gradient to understand equations of ...