(x2−x1)2+(y2−Y1)2\sqrt{(x_2 - x_1)^2 + (y_2 - Y_1)^2}(x2−x1)2+(y2−Y1)2
= (2−2)2+(5−3)2\sqrt{(2 - 2)^2 + (5 - 3)^2}(2−2)2+(5−3)2
= 02+22\sqrt{0^2 + 2^2}02+22
= 4\sqrt{4}4
= 2 units
