Answer:
21C
22D
23B
24C
25A
Step-by-step explanation:
Two persons have to share a single segment
22 x 85 = (20+2)*85= 20*85+ 2*85 = 1700 + 170 = 1870
Answer:
60°
Step-by-step explanation:
Angle 1 is a vertical angle to 60° by the definition of a vertical angle.