145 subtracted by 180 = -35
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An angle of 145 degrees is an obtuse angle because it is greater than 90 but less than 180 degrees
An angle of 145 degrees is more than 90 degrees and less than 180 degrees, so is classed as being an obtuse angle.
An angle of 145 degrees is more than 90 degrees and less than 180 degrees, so is classed as being an obtuse angle.
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