What is the name of this "rule?" A
Exterior Angle Theorem
B
Triangle Sum Theorem
С
Angle Addition Postulate
Transitive Property
E
Segment Addition Postulate

Find the lengths of the diagonals of this trapezoid.

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?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]