In the figure, ifAO/OC=BO/OD=1/2
and AB = 5 cm, then find the value of DC.
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Step-by-step explanation:
AOB and DOC are similar triangles by AAA similarity as all angles are equal due to AB being || to DC and Vertically opposite angles at centre
therefore
AO/AB = OC/DC
AO/OC = AB/DC
1/2 = 5/DC
DC = 10cm
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