Can someone explain to me how to do this, ?

What is the measure of angle afe? 79 81 91 99

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at __ link to graph: .

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons