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OpenStudy (anonymous):
if PD = 7 square root of 2 and CD = 5 square root of 2 then find PA
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OpenStudy (anonymous):
OpenStudy (anonymous):
use the same formula as before. its called the intersecting tangent and secant (PA)^2= PD(CD)= PA = SQRT[(PD)(CD)] PA= SQRT(7SQRT2)(5SQRT2) PA=SQRT(35)(2)=SQRT 70 ANS
OpenStudy (anonymous):
any question terrich?
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