The radius, r, of a circle is one-half of the length of its diameter, d. d
2
1d
2
1
+ r=d
2
2 r=d
1
d
NI

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)