Let triangle A B C is similar to triangle D E F. In triangle a b c, side a b equals five and side b c equals ten. side d e is unknown, and side e f equals eight. What is the measure of side d e ?

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Question

Let triangle A B C is similar to triangle D E F. In triangle a b c, side a b equals five and side b c equals ten. side d e is unknown, and side e f equals eight. What is the measure of side d e ?

4

8

10

16

anonymous · Answer

the side ab is congruent to side de
side bc is congruent to side ef
therefore:
ab/bc=de/ef
5/10=x/8
now cross multiply
can you do it now?

anonymous · Answer

ratio of their corresponding sides are in proportion so|dw:1343060260734:dw|