Step-by-step explanation:
The coordinates of the points are P1(2, 2) and P2(10, 2). The distance d between these two points are given by
[tex]d = \sqrt{ {(x\frac{}{2} - x\frac{}{1} ) }^{2} + ({y\frac{}{2} - y\frac{}{1}) }^{2} } \\ = \sqrt{ ({10 - 2})^{2} +( {2 - 2)}^{2}} \\ = 8[/tex]
