Question

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Answer 1

Given:

Coordinates of point A are (7,3).

Point B is on the x-axis whose abscissa is 11.

To find:

The distance between A and B.

Solution:

Point B is on the x-axis whose abscissa is 11. So, x-coordinate of the point B is 11 and y-coordinate is 0. It means, coordinates of point B are (11,0).

The distance between A(7,3) and B(11,0) is

`D=√((x_2-x_1)^2+(y_2-y_1)^2)`

`D=√((11-7)^2+(0-3)^2)`

`D=√((4)^2+(-3)^2)`

`D=√(16+9)`

`D=√(25)`

`D=5`

Therefore, the distance between point A and B is 5 units.