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[" 4.In the given figure,if "/ADE=/B" ,s...

[" 4.In the given figure,if "/_ADE=/_B" ,show that "],[/_ADE sim/_ABC" .If "AD=3.8cm,AE=3.6cm" ,"],[BE=2.1cm" and "BC=4.2cm" ,find "DE" ."],[qquad (d)/(B)quad =(1)/(5)]

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