"Which statement about circle O is necessarily true, assuming and are tangents to circle O? "

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asked Aug 21, 2017 119k views

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Danny Fenstermaker · Answer 1 · 2017-08-25T22:49:54+0000

Among the statements, this is the true one.

∠BCO is complementary to ∠BOC

ΔBCO is a right triangle. B is 90°.

Interior angles of a triangle = 180°. With B as 90°, the remaining angles, C and O, must total 90°. Thus they are complementary.

"Which statement about circle O is necessarily true, assuming and are tangents to circle O? "

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