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Perpendicular Lines Demo

What type of an angle do perpendicular lines meet at?

What is the product of the slopes for any pair of lines that are perpendicular to each other?

What is the product of the slopes for any pair of lines that are perpendicular to each other?

Turn the slopes into fractions. Describe the relationship.

What is the slope of a line perpendicular to the line y=1/2x + 4?

What is the slope of a line perpendicular to the line with the equation y+2=5(x-3)?