Seudónimo Seudónimo

21-04-2016
Mathematics

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the angles of a quadrilateral measure 80°,100°,100°,and 80° in this order.what kind of quadrilateral has this shape? how do you know ?

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Аноним Аноним

21-04-2016

it has two pairs of same angles: that means that the opposite sides are parallel: this makes it a parallelogram.

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