Angle Metal
Posted on Wednesday, August 25, 2010 in Photography
when measuring the angle with a protractor which has 2 sets of numbers on it what set should I read?
when measuring the right or left angle on a wallboard what set of numbers on a metal protractor should i be reading? because there are two sets of numbers.
One set is for left-to-right, and the other set is for right-to-left. Line up one of the lines of the angle with zero, and see where the other side is. A right angle is 90 degrees. If your angle is smaller, it's an acute angle. Larger is an obtuse angle. If the number for an acute angle is reading more than 90 degrees, you're reading the wrong set of numbers.
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50B Outbend Angle Iron Master Die
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