The equation of a circle is given below. x^2?+ (y - 7.5)^2 = 9/49 What is its center?
1 answer:
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Answer:
A
Step-by-step explanation:
The following ratio is true for any circle
=
← C is circumference
=
( cross- multiply )
30C = 1440 ( divide both sides by 30 )
C = 48 → A