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01-03-2017
Mathematics

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If isosceles triangle ABC has a 130° angle at vertex B, which statement must be true?
(Attached file)

If isosceles triangle ABC has a 130 angle at vertex B which statement must be true Attached file class=

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13-03-2017

B is the answer
Choice-a). two equal angles.

-- Choice-b).
-- Choice-c). If they were each 60°, then the total
for the triangle would be (130+60+60) = 250° .

-- Choice-d). two equal angles.

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