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Published byYulia Oesman Modified over 6 years ago
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Warm-up Solve the following problems for x. 13 + 3x – 5 = 2x
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Segments Section 1.3
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Line Segment Slides 1-3 A line segment consists of two points called endpoints of the segment and all the points between them. A D H A piece of spaghetti is a physical model of a line segment.
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Given: Plane Figure Conclusion:
In order for you to say that a point B is between two points A and C, all three points must lie on the same line, and AB + BC = AC. Slides Given: Plane Figure Conclusion: C: CD + DR = CR
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Using Segment Addition Postulate, answer the following questions:
Example 1: If DT = 60, find the value of x. Then find DS and ST.
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Segment Addition Continued:
Example 2: If EG = 100, find the value of x. Then find EF and FG.
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Example 3: Using the Segment Addition Postulate
M is between N and O. Find NO. 27
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Example 4: Draw a picture and solve for the missing segment.
B is between A and C, AC = 14 and BC = Find. AB
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Example 5: Draw a picture and solve for the missing segment.
Find RT if S is between R and T. RS = 2x + 7, ST = 28 and RT = 4x.
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