Answer:
r = 

Is this a live test question or a homework question?
Step-by-step explanation:
the radius is the distance between (3, 2) and (5, -2)
= 
= 
= 4 + 16 = 20
r = 
Equation of circle: 
It represents simulations
Answer:
it's a acute angle
Step-by-step explanation:
no more that 90 degrees
Answer:
What is it?
Step-by-step explanation: