princeevee princeevee

18-05-2019
Mathematics

contestada

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

Respuesta :

sqdancefan sqdancefan

18-05-2019

Answer:

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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