yoongislaugh
20.01.2020 •
Mathematics
13.) write a paragraph proof ( )
given line bc = line ec and line ac = dc line
prove line ba= line ed
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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)
Ответ:
weight is measured in pounds = lbs
the scale shows 192