6. In the figure, DE ∥ BC. D cuts AB exactly in half. If BC is 12 centimeters long, how long is DE?
A
D E
B C
7. In the figure below, AB ∥ DE, and length measures are given in meters. How long is AB if DE has
2
alength of 2 meters?
5
A
5 meters
D
3 meters
B C
E
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