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What is the “Foot of a Perpendicular”?
What is the “Foot of a Perpendicular”? 150 150 SchoolTutoring Academy

Let ax+by+c=0 be a straight line. If a perpendicular line  is drawn from any point on the plane to this straight line then the  point of intersection of the given…

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Concurrent Lines and Point of Concurrency
Concurrent Lines and Point of Concurrency 150 150 SchoolTutoring Academy

Concurrent lines all intersect at the same point, and all meet at a central location in a shape. How these are found, and calculated differ based on the individual shape.…

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Distance Between Two Parallel Lines
Distance Between Two Parallel Lines 150 150 SchoolTutoring Academy

We know that the perpendicular distance from origin to a straight line whose equation is a+by+c=0 is |c|/√(a2+b2). Also, we know that the perpendicular distance from (h,k) to ax+by+c=0 is,…

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Geometry: Distance From a Point to a Line
Geometry: Distance From a Point to a Line 150 150 SchoolTutoring Academy

Distance from a point to a line: We know that the perpendicular distance from origin to a straight line whose equation is a+by+c=0 is |c|/√(a2+b2). This formula works to find…

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Equation of a Line – Normal Form
Equation of a Line – Normal Form 150 150 SchoolTutoring Academy

Normal: A normal to a line is a line segment drawn from a point perpendicular to the given line. Let p be the length of the normal drawn from the…

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Writing the Equation of Perpendicular Lines
Writing the Equation of Perpendicular Lines 150 150 SchoolTutoring Academy

Two lines are said to be perpendicular if the angle between them is 90º (90 degrees). There is a result on perpendicular line which states: Two lines are perpendicular if…

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