Is line AB tangent to the circle?

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asked Dec 12, 2019 62.9k views

1 Answer

Lorianne · Answer 1 · 2019-12-18T07:20:53+0000

No. If AB is a tangent, it must be perpendicular to a radius of the circle. Stick the numbers into the Pythagorean Theorem to see if the angle of the intersection is a right angle.

a² + b² = c²

6.6² + 11² doesn't quite equal to 13²

Is line AB tangent to the circle?

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