Astatement and portions of the flowchart proof of the statement are shown. which reason should appear in the box labeled 1? a. angle addition postulate b. ruler postulate c. angle congruence postulate d. linear pair postulate

BAC and CAD are adjacent angles, because they share a common vertex (A) and a common side AC, (an no other common points but the points on side AC).

The 2 adjacent angles form a new larger angle (BAD), whose measure is the sum of the measures of the adjacent angles.

This is called the "Angle Addition Postulate"

A

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.

Yourself by using the internet