Write an equation of the circle with center (4,5) and radius 9.
2 answers:
Answer:
I'm going to write both of these because maybe you have a fill in the blank question. I don't know.

Simplify:

Step-by-step explanation:
is the equation of a circle with center (h,k) and radius r.
You are given (h,k)=(4,5) because that is the center.
You are given r=9 because it says radius 9.
Let's plug this in.

Simplify:

Answer:
(x-4)^2 + (y-5)^2 = 9^2
or
(x-4)^2 + (y-5)^2 =81
Step-by-step explanation:
The equation for a circle is (x-h)^2 + (y-k)^2 = r^2
Where (h,k) is the center and r is the radius
(x-4)^2 + (y-5)^2 = 9^2
or
(x-4)^2 + (y-5)^2 =81
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Answer:
x = 2
Step-by-step explanation:

x ≠ 0
x ≠ - 2
x ≠ - 1

x = 2
P=19.75−6.50
P=13.25
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54.5*17=926.5
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8 is the answer to your question
Answer:
62.83185
Step-by-step explanation:
C=2πr=2·π·10≈62.83185