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ICSE Class 9 Answered

Q. 9
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Asked by Rayeesa | 06 Jun, 2018, 02:26: PM
answered-by-expert Expert Answer
 
 
begin mathsize 16px style Constriction space colon space AD space equals space AB space Join space BD In space increment ABD comma AB space equals space AD angle ADB space equals space angle ABD............ left parenthesis straight i right parenthesis space Opposite space angles space of space equal space sides angle BDC space greater than space angle ABD space.... space space space space space space space space space left parenthesis ii right parenthesis angle BDC space is space an space Exterior space angle space angle BDC space greater than space angle ADB.............. left parenthesis iii right parenthesis space Using space left parenthesis ii right parenthesis angle ADB space greater than space angle DBC.............. left parenthesis iv right parenthesis angle BDC space greater than angle DBC space space space space space space space space space From space left parenthesis iii right parenthesis space and space left parenthesis iv right parenthesis BC thin space greater than thin space DC space space space space space space space space space space space space space space space space space space space space space space side space opposite space to space greater space angle space is space greater BC thin space greater than thin space AC thin space minus space AD BC thin space greater than thin space AC space minus space AB space space space space space space space space space space space space AD space equals space DB space construction AC thin space minus space AB space less than thin space BC Similarly space we space can space show space that BC thin space minus space AC thin space less than thin space AB BC space minus space AB thin space less than thin space AC space space end style
Answered by Sneha shidid | 07 Jun, 2018, 11:16: AM

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