right
Answer:
90°
Step-by-step explanation:
Type of angle foremd= right
Measure = 40° + 50° = 90°
what question theres none
Answer:
A. 5.19 units
Step-by-step explanation:

Given:
= 81°- Arc length = 7.34 units
Substituting given values into the equation and solving for r:






You could just subtract the numbers from the line. It's simple.