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Segment addition postulate and the midpoint. Suppose XA = 3x and AY = 4x - 6. If A is the midpoint of XY, what is the length of XY? 3x 4x - 6 _____ X A Y. The trick in this problem is to see that if A is the midpoint, then XA = AY.

Angle Addition: It is used for expressing the trigonometric function of sum of angles. And is done for the angles in the form of Degrees Minutes Seconds. DMS Calculation: The Degree Minutes Seconds addition calculation is used in computing the latitudes and longitudes in the astronomy. Each degree is divided into 60 minutes and each minute further subdivided into 60 seconds.

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Segment and Angle Addition . Discover Resources. Homework for Wednesday, Feb 3; Labelle; shrek; Finding pi by dividing circumference by diameter

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Postulate 1.6 or segment addition postulate. If A, B, and C are collinear, and B is between A and C, AB + BC = AC. A more thorough coverage of the ruler postulate can be found here. Postulate 1.7 or protractor postulate. Let O be the midpoint of line AB.

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