Calculate the distance between A (7, 3) and B on the x-axis, whos… - Vidyadip

Question

Calculate the distance between $A (7, 3)$ and $B$ on the x-axis, whose abscissa is $11.$

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Answer

Here $B$ is $(11, 0)$
$A B=\sqrt{(11-7)^2}+(0-3)^2$
$=\sqrt{(4)^2+(-3)^2}$
$=\sqrt{16+9}$
$=\sqrt{25}$
$=5 \text { units. }$

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