how will you find distance between two points in which x and y coordinates are same but not zero

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Dear student
$L e t u s c o n s i d e r t w o p o i n t s P (4, 4) a n d Q (6, 6) H e r e, x_{1} = 4, x_{2} = 6, y_{1} = 4 a n d y_{2} = 6 T h e n P Q = \sqrt{{(x_{2} - x_{1})}^{2} + {(y_{2} - y_{1})}^{2}} = \sqrt{{(6 - 4)}^{2} + {(6 - 4)}^{2}} = \sqrt{2^{2} + 2^{2}} = \sqrt{4 + 4} = \sqrt{8} = 2 \sqrt{2}$
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how will you find distance between two points in which x and y coordinates are same but not zero

Dear student Let us consider two pointsP4,4 and Q(6,6)Here,x1=4,x2=6,y1=4 and y2=6Then PQ=x2-x12+y2-y12=6-42+6-42=22+22=4+4=8=22 Regards