Answer:
Step-by-step explanation:
the radius for a circle √(64) = 8
answer is A
Answer:
A
Step-by-step explanation:
the equation of a circle centred at the origin is
x² + y² = r² ( r is the radius )
x² + y² = 64 ← is in this form
with r² = 64 ( take square root of both sides )
r = [tex]\sqrt{64}[/tex] = 8
