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Worth 20 pts!! The equation of a circle is ​ (x−11)2+(y+15)2=144 ​ . What is the circle's radius? Enter your answer in the box. [] units
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Worth 20 pts!!

The equation of a circle is ​ (x−11)2+(y+15)2=144 ​ .

What is the circle's radius?

Enter your answer in the box.

[] units

User Funkyeah
by
6.4k points

1 Answer

6 votes
The radius of a circle is always the square root of the number on the right. The other two numbers describe the center.
Center: (11,-15) Opposite of what's in the brackets.
Radius: sqrt(144) = 12
User Vibin Guevara
by
5.5k points
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