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Mathematics 12 Online
OpenStudy (anonymous):

Which description does NOTguarantee that a quadrilateral is a kite? Select one: a. perpendicular diagonals, exactly one of which bisects the other b. one diagonal bisects opposite angles and the other diagonal does not c. two distinct pairs of congruent adjacent sides d. perpendicular diagonals

OpenStudy (anonymous):

b

OpenStudy (cwrw238):

think about d can you picture another shape that has perpendicular diagonals?

OpenStudy (cwrw238):

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OpenStudy (cwrw238):

a square - right?

OpenStudy (anonymous):

true, i dont really know.

OpenStudy (cwrw238):

yes a square has perpendicular diagonals so the correct option is d the angles of a square are all 90 degrees and the diagonals bisect thees angles and so = 45 degrees so the vertex angles of the 4 triangles are all 90 degrees

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