in traingle ABC ,AB=ACand ANGLE and angle A=70 FIND ANGLE B AND C.
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refer to the attachment
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since AB=AC therefore angle opp to these sides are equal...
i.e. angles B and C are equal...
now sum of the angles if the triangle is
180
A+B+C=180
70+B+C= 180
B+C=110
from above as B and C are equal
2B=110
B=C=55
I hope it will help you
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