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Erencan · Answer 1 · 2019-10-19T15:20:47+0000

angle AOC is a 90 degree angle

AOC is spli into 2 angles AOE and EOC

AOE is given as 31 degrees
so EOC would be 90 degrees minus 31 degrees

90 -31 = 59

EOC = 59 degrees

the answer would be D.

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