Oscar Corporation is prepaering to make the elliptical gate at its headquarters. Width of ellipse will be 5 feet across and its maximum height along center will be 3 feet. Company wishes to place two bright spots at foci of ellipse. How far from center of ellipse will spots be situated?
i) 2 feet
ii) 4 feet
iii) 3 feet
iv) 2.5 feet
v) 3.5 feet