Triangle Similarity: AA Answers
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Is KM ∥ JN? Why or why not?
A
No, because .
B
Yes, because .
C
Yes, because
D
Yes, because .
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To prove part of the triangle midsegment theorem using the diagram, which statement must be shown?
A
The length of JK equals the length of JL.B
The length of GH is half the length of KL.C
The slope of JK equals the slope of JL.D
The slope of GH is half the slope of KL.8
What is the length of BC? From the markings on the diagram, we can tell E is the midpoint of BC and is the midpoint of AC We can apply the theorem: ED = BA. Substituting in the expressions for the lengths and solving for x, we get x = . Now, since BE = x, then BC = .
Answers:
Selection 1:D
Selection 2:triangle midsegment
Selection 3:5
Selection 4:10
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9.8
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