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If the equation of a circle is (x + 5)2 + (y - 7)2 = 36, its radius is a 6 b 16 c 36

If the equation of a circle is (x + 5)2 + (y - 7)2 = 36, its radius is a 6 b 16 c 36
asked 141k views
1 vote
If the equation of a circle is (x + 5)2 + (y - 7)2 = 36, its radius is

a 6
b 16
c 36

asked
User Rcorrie
by
8.2k points

2 Answers

1 vote

Answer:

the answer is 6

Explanation:

answered
User Floatingfrisbee
by
9.0k points
4 votes
The standard form of the equation of a circle:

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


(x+5)^2+(y-7)^2=36 \\ \Downarrow \\ r^2=36 \ and \ r>0 \\ r=6

The answer is A. 6.
answered
User Bogatyr
by
8.2k points
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