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HELP PLEASE!!!!!!!!!!!!!!!!

HELP PLEASE!!!!!!!!!!!!!!!!-example-1

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4 votes

Answer:

Explanation:

NQ is a tangent line. That means that where it meets the circle results in a right angle. Therefore, we have a right triangle where XQ is the hypotenuse. Using Pythagorean's Theorem,


20^2=8^2+x^2 where 8 is the radius because the diameter is 16.

400 - 64 = x² and

336 = x² so

x = 18.3 which is the length of NQ

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