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OpenStudy (anonymous):

what is the length of EF if AB=BC

OpenStudy (anonymous):

|dw:1369863795772:dw|

OpenStudy (anonymous):

is B the midpoint of AC?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

so BF is equal to BC?

OpenStudy (anonymous):

im guessing so but i need to know the length of EF

OpenStudy (anonymous):

Have you figured out AC?

OpenStudy (anonymous):

its either 5in, 10in , or 12in

OpenStudy (anonymous):

well, what is 6^2+8^2?

OpenStudy (anonymous):

its 100

OpenStudy (anonymous):

ok, so AB and BC = 10

OpenStudy (anonymous):

so half of that is 5

OpenStudy (anonymous):

oh ok Thank You

OpenStudy (anonymous):

I'm going to say that if they're similar triangles, both are 3-4-5 right angle triangles

OpenStudy (anonymous):

since 6-8-10 is just a multiple of 3-4-5

OpenStudy (anonymous):

true that

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