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ilvvsShatalov3984
05.02.2021 •
Mathematics
THIS IS FILL IN THE BLANK!!
A system of equations is a set of
1
or more equations with the same
.
The solution of a system is the
of intersection between
or more equations and is written in the form
.
An equation in slope-intercept form is
.
An equation in standard form is
.
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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)