Answer:
140°
Step-by-step explanation:
arc ER = 2×70° = 140°
Answer:
i would say b
Step-by-step explanation:
Answer:
3 1/2
Step-by-step explanation:
|-7| - |-3 1/2| = 3 1/2
It's an acute angle because it is less than 90 degrees
In other words, it's smaller than a right angle.
