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In a square ABCD, E is the midpoint of BC and F is a point on AC so that CF = 3AF. Find the measure of angle DFE.

Interesting phenomenon that occurs in any square! Why is this? 🤔https://t.co/4PD2SP8PPP (Source: @gogeometry) @geogebra #MTBoS #ITeachMath #geometry #math #maths #proof #EdTech #MathEd #HSMath pic.twitter.com/o9mg0IBqLV— Tim Brzezinski (@Brzezinski_Math) November 30, 2019

Interesting phenomenon that occurs in any square! Why is this? 🤔https://t.co/4PD2SP8PPP (Source: @gogeometry) @geogebra #MTBoS #ITeachMath #geometry #math #maths #proof #EdTech #MathEd #HSMath pic.twitter.com/o9mg0IBqLV

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