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Mathematics, 13.11.2020 02:40 princess6039

Find the mistake made in the following proof. Explain why you think your colleague made this mistake. Given: AB∣∣∣∣ED and AB≅ED

Prove: ΔABF≅ΔDEF

Proof:

It is given that AB∣∣∣∣ED so angle ∠DEB is congruent to angle ∠ABE because parallel lines form congruent alternate interior angles with a transversal. It is also given that AB is congruent to ED and angle ∠AFB is congruent to angle ∠DFE because they are vertical angles and vertical angles are congruent. So, ΔABF is congruent to ΔDEF by ASA.


Find the mistake made in the following proof. Explain why you think your colleague made this mistak

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