Question

A student solved the following problem and made an error.

Line 1

Line 2

∠A ≅ ∠F
Line 3

Length of .
A (0, 2)
B (2, 4)
= 2.83
Line 4

Length of .
D (2, 0)
F (4, 2)
= 2.83
Line 5

Line 6

by SAS


In which line did the student make the first mistake?

Line 3

Line 5

Line 1

Line 2

Answer 1

Hard to tell if you copy-paste the question. The rows and columns don't line up properly.
How about you tell us yourself what you think should be done?