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 = .
Answer
Selection 1:
D
Selection 2:
triangle midsegment
Selection 3:
5
Selection 4:
10

Question

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 = .

Answer

Selection 1:

D

Selection 2:

triangle midsegment

Selection 3:

5

Selection 4:

10

Revolt · Accepted Answer

D; Selection 1: D; Selection 2: triangle midsegment; Selection 3: 5; Selection 4: 10