Segment Addition Postulate Midpoint

Use the figure to write and solve an equation for x.

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CCSS.4.MD.A.2

If T is the midpoint of SU, find x.

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CCSS.HSG.CO.C.10

If G is the midpoint of segment FH, find FG.

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CCSS.HSG.CO.C.10

If R is the midpoint of QS, RS=2x-4, ST=4x-1, and RT=8x-43, find QS

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CCSS.HSG.CO.C.10

Given the diagram, use the segment addition postulate to find the length of DE.

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Given L is between M and K, Use the segment addition postulate to solve for x.

• x = 2

• x = 4

• x = 6

• x = 8

A, C, and B are collinear points; and B is between points A and C.

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RM=

• RM=6

• RM=3

• RM=12

• RM=9

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CCSS.HSG.GPE.B.6

Suppose AC =  48, find the value of x. Then, find the length of AB.

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If DF=9x-39, find EF.

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