Use rigid motions to transform figures and decide whether two figures are congruent.
Write congruence notation from corresponding vertices
Problem
Write the triangle congruence statement represented by the correspondence \(A\to~D,~B\to~E,~C\to~F\).
Big Picture
What this problem is really about
Triangle names encode correspondence position by position. Write the source vertices in one row and their stated partners directly beneath them, then read each row in order; this prevents a visually plausible reordering from changing which sides and angles correspond.
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