In the figure PA =3cm,AB=9cm,PC=4cm then find CD
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Step-by-step explanation:
PA = 3cm
AB=9cm
PB=9-3=3 cm
PC=4cm
PA*PB=PC*PD
3*3=4*PD
9=4*PD
PD=9/4
=2.25cm
CD=4+2.25=6.25 cm
Hope this help.
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