queenkaykay718 queenkaykay718 14-05-2021 Mathematics contestada Activity 1 of 2 Part A: If Angle A and Angle B are vertical angles, what is value of x? A. 8 B. 35 C. 10 D. 28 Activity 2 of 2 Part B: If Angle A and Angle B are supplementary angles, what is measure of Angle B? A. 28º B. 90º C. 180º D. 140º