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Problem 469: Isosceles triangle, Midpoint,
Transversal, Congruence
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The figure shows
an isosceles triangle ABC (AB = BC). Lines AB, AC, and BC are
cut by a straight line at points D, E, and F respectively. If E
is the midpoint of DF, prove that AD and CF are congruent.
![Isosceles triangle, Midpoint](p469_isosceles_triangle.gif)
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Poster of Problem
469: Sketching, Typography, Art,
iPad Pro
![Poster of Problem 469: Sketching, iPad, Typography, Art, Isosceles triangle, Midpoint, Transversal, Congruence.](p469_isosceles_triangle_poster_ipad_sw_7.jpg)
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