AnswersLJISD-TX-Geometry-4th 6WKSUsing Triangle Similarity TheoremsQuestion 112523
112523
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Using Triangle Similarity Theorems

Question 112523 • LJISD-TX-Geometry-4th 6WKS

What is the length of BC?

Answer
From the markings on the diagram, we can tell E is the midpoint of BC and is the midpoint of AC:

D

We can apply the theorem: ED = BA.:

triangle midsegment

Substituting in the expressions for the lengths and solving for x, we get x = .:

5

Now, since BE = x, then BC = .:

10

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