zarias6 zarias6
  • 02-08-2018
  • Mathematics
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I’m confused on this one

Im confused on this one class=

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gmany
gmany gmany
  • 02-08-2018

TW is a radius of this circle.

|TW| = |WQ|

SV = VQ therefore m∠WVQ = m∠WVS = 90°. The triangle QVW is the rectangular triangle.

We calculate the length of WQ using the Pythagorean theorem.

[tex]|WQ|^2=3^2+7^2\\\\|WQ|^2=9+49\\\\|WQ|^2=58\to|WQ|=\sqrt{58}\approx7.62[/tex]

Answer: TW = √58 ≈ 7.62

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