Diagonals of a parallelogram ABCD intersect each other at point O, if l(OC) =6cm, then l(AC)=?
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Step-by-step explanation:
diagonals of parallelogram intersect each other in equal lengths
thus AO=OC
l(AO)=6cm
thus AO+OC=6+6=12=AC
thus AC=12cm
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