2.5.3 Journal Proofs of Congruence. I'm stuck on questions 5 and 6. Question 5: Using the previous problem, fill out the two column proof that ABD CBF. You may not need to use all the rows. Question 6. Are the truss triangles ADB and BFC congruent? Which postulate did you use for your proof? Which engineer was correct?

18

step-by-step explanation:

draw the shape and you will see that f and k are actually at adjacent vertices (points of the hexagon that are neighboring).   so find the distance between (1,2) and (4,2).   that is easy since (1,2) and (4,2) is just a vertical distance to count, which is 3.   it is a regular polygon which means all sides are congruent.   you have 6 sides (hexa) so multiply 6 by 3 to receive 18.

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step-by-step explanation: