cozy062002 cozy062002

17-04-2018
Mathematics

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In the circle, CP=x and PD=y. If xy=28 and AP=2, then what is PB?

In the circle CPx and PDy If xy28 and AP2 then what is PB class=

Respuesta :

calculista calculista

26-04-2018

we know that
When two chords intersect each other inside a circle, the products of their segments are equal

so
CP*PD=AP*PB
x*y=2*PB-----------> 28=2*PB----------> PB=14

the answer is
PB=14

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