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Stolb23 [73]
3 years ago
13

What is the radius of a circle whose equation is (x 5)2 (y-3)3 42?O 2 unitso 4 unitsO 8 units16 unitsSave and ExitMark this and

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Mathematics
2 answers:
dexar [7]3 years ago
4 0

we know that

the equation of the circle is of the form

(x-h)^{2} +(y-k)^{2} =r^{2}

where

(h,k) is the center of the circle

r is the radius of the circle

in this problem we have

(x+5)^{2} +(y-3)^{2} =4^{2}

so

the center is the point (-5,3)

the radius is 4\ units

therefore

the answer is

The radius of the circle is equal to 4\ units

katrin2010 [14]3 years ago
3 0
So what you marked there this 4 units this is true so you are right sure 

hope this will help you 
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