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Mathematics 8 Online
OpenStudy (anonymous):

Given XY = WZ; Prove XW = YZ Statement Reason (1) XY = WZ (1) Given (2) YW = YW (2) (3) XY + YW = YW + WZ (3) (4) XY + YW = XW (4) Segment addition postulate (5) YW + WZ = YZ (5) (6) XW = YZ (6) Which of the following belongs in blank (3)?

OpenStudy (mathstudent55):

Is there a figure?

OpenStudy (anonymous):

segment addition postulate

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