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Mathematics 7 Online
OpenStudy (anonymous):

OpenStudy (bibby):

oooooh so \(<CBD \cong <DBE\)?

OpenStudy (anonymous):

both is 40.5?

OpenStudy (bibby):

not anymore, we're dealing with a different diagram now |dw:1410479965126:dw|

OpenStudy (bibby):

|dw:1410480112301:dw|

OpenStudy (anonymous):

110=20+2x 90=2x =45 is that correct

OpenStudy (bibby):

so now we know that m<CBD=DBE and that ABC = 20 + CBD|dw:1410480142478:dw|

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