FMath::Acos() returns angle in radians. so you may need to add another line:
AngleInDegree = FMath::RadiansToDegrees(AngleInDegree);
now the variable AngleInDegree is really in degrees ^^
FMath::Acos() returns angle in radians. so you may need to add another line:
AngleInDegree = FMath::RadiansToDegrees(AngleInDegree);
now the variable AngleInDegree is really in degrees ^^