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Grade 12Analytical Geometry

Hello sir/ maam
May I know the difference between focal chord and focal radius

Profile image of kiranmai
8 Years agoGrade 12
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1 Answer

Profile image of Waseem khan
8 Years ago
The chord of the parabola which passes through the focus is called the focal chord.Wheareas the focal radius is also knows as focal length The distance between the vertex and the focus, measured along the axis of symmetry, is the "focal length".