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Mathematics 21 Online
OpenStudy (anonymous):

ABEF is equal to CBED. The perimeter of CBED is 17. Find the length of BE.

OpenStudy (anonymous):

OpenStudy (saiyan):

it it multiple choice

OpenStudy (anonymous):

A. 1.7 B. 2.7 C. 2.8 D. 6.6

OpenStudy (saiyan):

ok the answer i found is one of those

OpenStudy (saiyan):

so what do we know about the triangle

OpenStudy (anonymous):

We know that they are equivalent

OpenStudy (saiyan):

ok and what else

OpenStudy (anonymous):

Umm, that we are looking for the length of BE

OpenStudy (saiyan):

something to do with perimeter

OpenStudy (anonymous):

Do I add?

OpenStudy (saiyan):

yes, but we know that 17 is the perimeter and the picture shows the measure of each length and the triangles are equivalent

OpenStudy (arindameducationusc):

Hey listen, both the triangles are congruent so

OpenStudy (anonymous):

oooh, I got 2.7

OpenStudy (arindameducationusc):

yes yes

OpenStudy (saiyan):

yep thats it

OpenStudy (arindameducationusc):

good

OpenStudy (anonymous):

Thank you both :)

OpenStudy (saiyan):

np:)

OpenStudy (arindameducationusc):

@Saiyan good job in helping her

OpenStudy (arindameducationusc):

My pleasure

OpenStudy (saiyan):

thx @arindameducationusc

OpenStudy (saiyan):

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