Final answer:
Without knowing the type of angle pair (such as complementary or supplementary) or the context, it's not possible to determine the relationship or find the value of the missing angle for expressions (7x +13) and (8x+2).
Step-by-step explanation:
The student is asked to identify the type of angle pair and their relationship, and then to find the value of the missing angle given two expressions for the angles, (7x +13) and (8x+2). To solve this problem, we would need additional information about the context in which these angles exist, such as if they are complementary angles, supplementary angles, or unrelated. Without this context, we cannot determine their relationship or the value of x. For instance, if they were complementary, their sum would be 90 degrees, and if they were supplementary, their sum would be 180 degrees. Assuming we know the relationship, we would set up an equation equal to either 90 or 180 degrees and solve for x. After finding x, we could calculate the precise measurement of each angle.