AB= 3cm, BC=5 cm,BD=7cm,AD=4cm and AC=4 cm.
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by Pythagoras theorem you can find CD
in triangle ocd
cd^2=od^2+oc^2
=3.5^2+2^2
=12.25+4
cd^2=16.25
cd=4.03
cd=~ 4cm
in triangle ocd
cd^2=od^2+oc^2
=3.5^2+2^2
=12.25+4
cd^2=16.25
cd=4.03
cd=~ 4cm
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