Equation of a Circle | Desmos

radius=${r_1} left parenthesis, "h" minus 1 half "r" Subscript, 1 , Baseline , "k" , right parenthesis

Label:

equals

left parenthesis, 11.5 , 12 , right parenthesis

8

`(x- ${h})^2 + (y- ${k})^2 = ${r_squared}` left parenthesis, "h" , "k" plus "r" Subscript, 1 , Baseline , right parenthesis

Label:

equals

left parenthesis, 17 , 23 , right parenthesis

9

Hidden Label: left parenthesis, "a" , "k" , right parenthesis

Label

equals

left parenthesis, 6 , 12 , right parenthesis

10

Expression 11: "a" equals 6

negative 15

22

11

Expression 12: "r" Subscript, "s" "q" "u" "a" "r" "e" "d" , Baseline equals "r" squared

equals

121

12

Equation of a circle

13

Expression 14: left parenthesis, "x" minus "h" , right parenthesis squared plus left parenthesis, "y" minus "k" , right parenthesis squared equals "r" squared

14

(h, k) is the center.

15

r is the radius.

16

17

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Center

left parenthesis, 17 , 12 , right parenthesis

radius=11

( "x" minus 17 ) squared plus ( "y" minus 12 ) squared equals 121

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