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Mathematics 7 Online
OpenStudy (chancemorris123):

Which of the following statements is not always true? A. In a rhombus, the diagonals bisect opposite angles. B. In a rhombus, the diagonals are perpendicular. C. In a rhombus, the diagonals are congruent. D. In a rhombus, all four sides are congruent.

OpenStudy (mathstudent55):

Here is a rhombus. |dw:1437525321281:dw|

OpenStudy (mathstudent55):

All sides are congruent. Now let's add the diagonals. |dw:1437525455216:dw|

OpenStudy (mathstudent55):

Unlike most drawing in Geometry books, this rhombus was drawn to scale. Go through all choices, and see which one is clearly not true.

OpenStudy (chancemorris123):

so c?

OpenStudy (chancemorris123):

jk d

OpenStudy (chancemorris123):

b?

OpenStudy (chancemorris123):

help

OpenStudy (mathstudent55):

C is it. From the scale picture above you can clearly see the diagonals are different lengths.

OpenStudy (chancemorris123):

oh thank u so much

OpenStudy (mathstudent55):

yw

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