CK-12 Geometry-Concepts

http://www.ck12.org Chapter 9. Circles

tan−^1

(

6

3

)

=m^6 BAC

m^6 BAC≈ 63. 43 ◦

This means thatm^6 BAD≈ 126. 9 ◦andmBD̂≈ 126. 9 ◦as well.

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Find the value of the indicated arc in

⊙

A.

1.mBĈ

2.mBD̂

3.mBĈ