brittanysanders
21.07.2019 •
Mathematics
Which is the dependent variable in the function y=1/2(x^2-3) if y=f(x) a: x b: y c: neither x nor y d: both x and y
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Ответ:
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)