R u in an assessment or something.U need to chill boi.
Easy
the radius is the distance from the center to a point on the circle
we are given
center=(7,1)
a point=(8,7)
find the distance
distance formula
D=

so the distance between point and center is radius
D=

D=

D=

D=√37 units
radius is √37 units
Answer:
m = 0.25
Step-by-step explanation:
-0.8 = -3.2m
m = 0.25