A student solved the following problem and made an error. Triangles ABC and DEF. Angles A and F are congruent and measure 63 degrees. Coordinate for A 1, 2; B 1, 4; C 3, 3; D 5, 1; E 3, 2; F 5, 3. Line 1 Line 2 ∠A ≅ ∠F Line 3 Length of . A (1, 2) C (3, 3) = 2.23 Line 4 Length of . E (3, 2) F (5, 3) =2.23 Line 5 Line 6 by SAS In which line did the student make the first mistake? Line 1 Line 5 Line 6 Line 2

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