Answer:
Its the last one
Step-by-step explanation:
The angle R is supposed to be the letter in the middle which is known as the vertex in an angle,It leads to the angle in degrees forming a proper angle.
It not much information because its hard to explain but,hope this helps!!!.
Answer:
1. 57 2. 81
Step-by-step explanation:
71x2=142 256-142=114/2= 57
5103/63= 81
