Construct abc of perimeter 12 cm and b=80° and c=60°
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triangle is of 180° then.
given b 80° and c 60°..
then 180°= a+b+c
180 = 60+80=140
then a = 180-140=40 therefore a = 40 then now taking right measures draw it
given b 80° and c 60°..
then 180°= a+b+c
180 = 60+80=140
then a = 180-140=40 therefore a = 40 then now taking right measures draw it
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