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In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

Fast! find the length of cu. the triangles are similar. show your work.

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected