Question

If the radius of circle x²+y²−18x+12y+k=0 be 11 then k=______ *

A) 347

B) 4

C) -4

D) 49i​

Answer 1

Answer:

49i ssusytt45 ueyr53hdhd6893hhx68

Answer 2

Answer:

C -4

Step-by-step explanation:

The correct option is C -4

(Radius)²=g²+f²−c

or 121 = 81 + 36 - k

Or k = -4.