Pi r² is circle's area expression.
So the r is radius,.
Answer:
C
Step-by-step explanation:
radius squared * pi = 63.585
Answer:
5 units
Step-by-step explanation:
±√(- 2 - 1)^2 + (- 1 - 3)^2 = ±5 (rej - 5 since distance > 0)
Apply distance formula
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