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Since these lines are parallel, mAngleK will equal the mAngleM. Also, mAngleK plus mAngleL will equal 180.
Since mAngleM must be 82 degrees, it cannot be A or B.
Since 180-82=98, mAngleL is 98 and mAngleN is 98. All 4 angles should add to 360 degrees, so you can check yourself.
The answer is C.
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