ques 1 plzzzZzz..........
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RoshanSingh1:
what is.....................................................
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a+b+c=180°
120°+b+c=180°
b+c=180°-120°
b+c=60°. [equation 1 ]
AB=AC. [. given ]
so angles opp. to equal sides are equal
b=c
b+c=60°
b=c=30°
120°+b+c=180°
b+c=180°-120°
b+c=60°. [equation 1 ]
AB=AC. [. given ]
so angles opp. to equal sides are equal
b=c
b+c=60°
b=c=30°
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