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OpenStudy (anonymous):
In the rhombus ABCD, angle DBA equals 60 degrees. If line AD is 18 cm, what is the length of line BE?__ cm.
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OpenStudy (anonymous):
|dw:1412012287654:dw|
OpenStudy (mathstudent55):
What do you know about the sides of a rhombus?
OpenStudy (anonymous):
that's just the thing I completely forgot
OpenStudy (mathstudent55):
This may help: A rhombus is a quadrilateral with 4 congruent sides.
OpenStudy (anonymous):
yes... now I see I think the answer is 9 though, because it's half of 18
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OpenStudy (mathstudent55):
The figure now shows all the given information. |dw:1412012509266:dw|
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