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Mathematics 21 Online
OpenStudy (anonymous):

Are the diagonals of a parallelogram perpendicular?

OpenStudy (anonymous):

thanks marissalovescats

OpenStudy (marissalovescats):

They are not perpendicular, the kkey here is that is it a "parallel" o gram. This means this: |dw:1401241827999:dw|

OpenStudy (marissalovescats):

Don't listen to what I posted earlier, I think I was thinking of a rhombus haha

OpenStudy (anonymous):

If one angle of a parallelogram is 60 degrees, find the number of degrees in the remaining three angles.

OpenStudy (marissalovescats):

Do you have a picture?

OpenStudy (marissalovescats):

Opposite angles are congruent in a parallelogram: |dw:1401242097648:dw|

OpenStudy (marissalovescats):

So if we had this: |dw:1401242140184:dw|

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