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Mathematics 17 Online
OpenStudy (anonymous):

How do you solve.

OpenStudy (anonymous):

OpenStudy (phi):

use "big arc - little arc" / 2 = the "angle at O" (i.e. 26º)

OpenStudy (phi):

(CD - AB)/2 = 26º AB is 82, so you have (CD - 82)/2 = 26 multiply both sides by 2 to get CD - 82 = 2*26 can you find CD ?

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