Math, asked by naveenbrainly, 1 year ago

please answer question 87

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Answered by Dikshita47

Ans will be option d) 80 degree.

naveenbrainly: how

naveenbrainly: please explain

Dikshita47: 180-130=50. AB=AC(equal and opposite sides will have equal angle) therefore angle ACB = angle ABC (50 =50) then from triangle ABC = ABC +ACB +BAC =180 = 50 +50 + BAC=180 =100 + BAC =180 =BAC =180 -100 =80

Dikshita47: Ok

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