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OpenStudy (anonymous):
ABCD is a parrollelogram ad mEC=21. If mAC=7x tue what is the value of x?
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OpenStudy (inkyvoyd):
Sorry, we'll need a picture, or a description of point E in order to help you...
OpenStudy (anonymous):
|dw:1366947500933:dw| HERE.
OpenStudy (inkyvoyd):
|dw:1366947569448:dw| Remember that the diagonals of any parallelogram must bisect each other. Thus, mAE must equal mEC. Also, note how mAE+mEC=mAC. Does that help?
OpenStudy (anonymous):
not really . Im sort of new to geometry and just jumped right in the middle. could you work it how but show me HOW and WHY most importantly?
OpenStudy (inkyvoyd):
|dw:1366947819192:dw|
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OpenStudy (inkyvoyd):
|dw:1366947832065:dw|
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