Answer:
In the given two column proof two sides and included angles are equal.
Triangles are congruent if any pair of corresponding sides and their included angles are equal in both triangles .In the figure sides BD≅BD , AB≅ BC and <ABD ≅,BDD Therefore triangle ABD and triangle CBD are congruent by SAS property of congruence.

The answer is above.
Additional note 1:

Additional note 2:
In the answer I filled in "0" at the place where "n" was. This is because the question tells us n=0
Ahh... this is pretty easy!!
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Locomotive is 40 feet.
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Model is 16.
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So?
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Divide 40 by 16!!
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What's that?
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2.5.
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So your answer choice is 2.5
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Hope I helped!!
Answer: 4.55
Step-by-step explanation:
6.50x2 = 13 + 9.75 = 20% = 4.55
hoped this helped lol
Answer is D.Don't take out the square