document.write( "Question 425797: I need help for numbers 19 and 22 please somebody? \r
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Algebra.Com's Answer #296377 by richard1234(7193)\"\" \"About 
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For #19, you can use SAS similarity. You know that both triangles ABE and ADC have angle A in common. Also, AB:AD = AE:AC. By SAS, ABE and ADC are similar.\r
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\n" ); document.write( "\n" ); document.write( "For #22, since the triangles are parallel, then by parallel postulates, angle RST = angle VUT and angle TRS = angle TVU. Also, angle STR = angle UTV so by AAA similarity, we conclude that RST and VUT are similar.
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