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29 August, 11:43

Triangle ABC is similar to triangle DEF. The length of AC is 10 cm. The length of BC is 15 cm. The length of DF is 6 cm.

What is the length of EF?

12

6

10

9

+3
Answers (1)
  1. 29 August, 14:04
    0
    9 cm

    Step-by-step explanation:

    Side lengths of similar triangles are proportional. BC is 1.5 times the length of AC, so EF will be 1.5 times the length of DF:

    1.5·6 cm = 9 cm
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