Answer:
First answer.
Step-by-step explanation:
This is called the Arc length, here is the formula:
Arc length = (angle/360)*(2Pi*radius)
So,
(45/360)*(2*3.14*4)
= 3.14
SO Pi !!!!!
Answer:
y = 1/5x + 32/5
Step-by-step explanation:
i believe it is 1/3. but check other sources as well.