What angle corresponds with angle 6?

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

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie