Which equation is the equation of a 10 cm radius circle with its center at begin ordered pair (3, -6)

(x-3)squared + (y+6)squared=20
(x-3)squared + (y-6)squared=20
(x-3)squared + (y+6)squared=100
(x-3)squared + (y-6)squared=100

Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)