Q. 9

Asked by Rayeesa | 6th Jun, 2018, 02:26: PM

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 | 7th Jun, 2018, 11:16: AM