monkey98 monkey98

22-03-2018
Mathematics

contestada

△ABC is similar to △DEF .

AB=5 inches, BC=9 inches, and DE=7.5 inches.

What is EF ?

Respuesta :

mathstudent55 mathstudent55

22-03-2018

Similar triangles have corresponding sides with proportional lengths.

AB/BC = DE/EF

5/9 = 7.5/EF

5(EF) = 9 * 7.5

5(EF) = 67.5

EF = 13.5

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saulmgdhd saulmgdhd

22-03-2018

I think the answer is 13.5. △DEF is 1.5 times bigger than △ABC

Answer Link

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