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Mathematics 19 Online
OpenStudy (anonymous):

In the figure, △ABC ~ △DEF. Solve for x.

OpenStudy (anonymous):

OpenStudy (anonymous):

i just dont know how to write the fractions :/

OpenStudy (anonymous):

creat a proportion

OpenStudy (anonymous):

yea, ik. but idk how to write the proportion.

hero (hero):

AB/x = DE/11

hero (hero):

In general, if two triangles are similar the ratio of two sides of one triangle is proportional to the ratio of the corresponding sides of the other triangle.

OpenStudy (anonymous):

thankyou so much (:

hero (hero):

yw

OpenStudy (anonymous):

i got 55, is that correct?

hero (hero):

Good job :D

OpenStudy (anonymous):

yes!

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