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Mathematics 9 Online
OpenStudy (loser66):

Given Right triangle ABC (right angle at C ) and DE perpendicular to AB at E. Prove triangle ABC is similar to triangle DBE. Use isometry. Please, help

OpenStudy (loser66):

|dw:1446863249304:dw|

OpenStudy (superdavesuper):

AAA to prove similar triangles so it is right there :)

OpenStudy (loser66):

I have to use isometry, I cannot use congruence or similarity.

OpenStudy (loser66):

That is I have to find out a rotation or dilation or both to make the graph look similar

OpenStudy (superdavesuper):

isometry as in the ratios of the 3 sides are the same right? i think that is how to prove similar triangles w isometry...

OpenStudy (superdavesuper):

oh nvd....hmmm.....

OpenStudy (loser66):

Like this, if I "cut" triangle BDE out and "stand" the triangle ABC up, I have: |dw:1446870093138:dw|

OpenStudy (superdavesuper):

|dw:1446870164799:dw| will this work? dilate BD'E' from there...

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