2 years ago

AB is a tangent. Find the length of the radius, r.

1 answer:

Lena [83]2 years ago

4 0

Answer: 8

Step-by-step explanation:

Since AB is a tangent, angle CAB is a right angle. Thus, by the Pythagorean theorem, $r=\sqrt{17^{2}-15^{2}}=8$

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