Big Ideas Math Integrated I, 2016
BI
Big Ideas Math Integrated I, 2016 View details
5. Proving Triangle Congruence by SSS
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Exercise 38 Page 624

Which side of â–ł ABC has the same number of markings as EF?

BC

Practice makes perfect
Examining the diagram, we see that EF is the side with two markings. The segment in â–ł ABC that is congruent to this must also have two markings. We can identify this side as BC.