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REPOST OF GEOMETRY QUESTION !!

AB is tangent to circle O at B. What is the length of the radius r? Round to the nearest tenth.

15.4

6.1

2.9

1.7

REPOST OF GEOMETRY QUESTION AB is tangent to circle O at B What is the length of the radius r Round to the nearest tenth 154 61 29 17 class=

Respuesta :

konrad509
[tex]r^2=(11.7)^2-10^2\\ r^2=136.89-100\\ r^2=36.89\\ r\approx6.1[/tex]

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