Number of points (x,y)  having integral co-ordinates satisfying the condition x2+y2≤25  is

Possible points are (0,0),(±1,0),(0,±1) (±2,0),(0,±2),(±3,0),(0,±3),(0,±4) (±4,0),(0,±5),(±5,0),(±1,±2) (±2,±1),(±1,±3),(±3,±1),(±1,±4) (±4,±1),(±2,±3),(±3,±2),(±2,±4) (±4,±2),(±3,±4),(±4,±3)