if point C moves toward point B along bc ,mABC is one that do not change. Note also that mBAC reduces and mACB goes up. As point C is known to moves away from point B, the opposite do occur as mBAC goes up, mACB reduces , but mABC remains the same.
A line is known to be a figure that is often found in geometry, and this is one whose have length and do not width in regards to a two-dimensional plane and does moves in opposite directions.
Therefore, based on the question, if point C moves toward point B along bc ,mABC is one that do not change. Note also that mBAC reduces and mACB goes up. As point C is known to moves away from point B, the opposite do occur as mBAC goes up, mACB reduces , but mABC remains the same.
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