An exterior angle of a triangle is 125° . If one of two interior opposite angles is 55° , then the other interior opposite angle is
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70 is the correct ans cause the property of exterior and interior angles say so
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ext. ngle ...125
ngle ACB+ ACD = 180° .....linear pairs.
ACB = 180- 125
ACB = 55°.
NOW, IN triangle ABC,,.
ngle, A+B+C = 180 °.
C= 180 - 110° .
NGLE C = 70°.......ans.......
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