[" The number of points,having both coordinates are integers,that lie in the interior of the triangle with vertices "(0,0),(0,41)],[" and "(41,0)" is "]

The number of points, having both co-ordinates as integers, that lie in the interior of the triangle with vertices (0, 0) , (0, 41) and (41, 0) is

The number of points, having both co-ordinates as integers, that lie in the interior of the triangle with vertices (0, 0) , (0, 41) and (41, 0) is

The number of points, having both co-ordinates as integers, that lie in the interior of the triangle with vertices (0, 0), (0, 41) and (41, 0), is :

The number of points, having both co-ordinates as integers, that lie in the interior of triangle with vertices (0,0) , (0,41), and (41,0) is :

The number of points,having both co- ordinates as integers,that lie in the interior of the triangle with vertices (0,0),(0,41) and (41,0) is (1)901 (2) 861 (3) 820 (4) 780 .

The number of points,having both co- ordinates as integers,that lie in the interior of the triangle with vertices (0,0),(0,41) and (41,0), is: (4)780(3)820 (2) 861 (1) 901

Find the number of points , having both co- ordinates as integers , that lie in the interior of the triangle with vertices (0,0) , (0,41),(41,0)