SOLUTION: how to find the latus rectum in parabola

SOLUTION: how to find the latus rectum in parabola

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Question 1046535: how to find the latus rectum in parabola

Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

The latus rectum runs parallel to the directrix and passes through the focus. Its length:
In a , is four times the focal length or .

= distance between the vertex and focus
Then
= distance between directrix and focus
= latus rectum

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