KyaniC451700 KyaniC451700
  • 25-10-2022
  • Mathematics
contestada

can u help me w this i got it incorrect and can’t figure out why

can u help me w this i got it incorrect and cant figure out why class=

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EnasS248786 EnasS248786
  • 25-10-2022

1) We can see here a case in which there are two secant lines coming from a single point over that circle.

2) So, we can write out the following relation

[tex]\begin{gathered} PA\cdot PB=PC\cdot PD \\ 4(4+x)=5(5+7) \\ 16+4x=25+35 \\ 16+4x=60 \\ 16-16+4x=60-16 \\ 4x=44 \\ \frac{4x}{4}=\frac{44}{4} \\ x=11 \end{gathered}[/tex]

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