arivalen
16.10.2020 •
Mathematics
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Ответ:
D
Step-by-step explanation:
go to desmos graphing calculator and insert the point and equation and you will see
Ответ:
Step-by-step explanation:
Use triangle congruency:
BC=EC, AC=DC - Given
m∠DCE = m∠ACB because they are vertical angles
Therefore ΔABC ≅ ΔDEC because of Side-Angle-Side congruency
AB=DE because corresponding parts of congruent triangles are also congruent (CPCTC)