Question

if line AB is congruent to line CD and line CD is congruent to line EF, why is line AB congruent to line EF

Answer 1

are you familiar with something called transitive property? In algebra it is represented as

If a = b and b = c then a = c

Answer 2

Thank you, i just needed to refresh my mind up a bit .

Answer 3

thats it!! transitive prop of congruence