U and R are the midpoints of the legs, PT and QS, of trapezoid PQST. If PQ = -z + 70, RU = -z + 83, and ST = z + 20, what is the value of z? %3D R

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> N.10 Properties of trapezoids UC9
U and R are the midpoints of the legs, PT and QS, of trapezoid PQST.
If PQ = -z + 70, RU = -z + 83, and ST = z + 20, what is the value of z?
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P.
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Transcribed Image Text:Recommendations H Skill plans A Math LLanguage arts Geometry > N.10 Properties of trapezoids UC9 U and R are the midpoints of the legs, PT and QS, of trapezoid PQST. If PQ = -z + 70, RU = -z + 83, and ST = z + 20, what is the value of z? R T. P. Z = Submit DELL
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