Question

The distance between R and S on the coordinate grid is ___ units. (Input whole numbers only.)

Answer 1

35

Explanation:

coordinate of point S(20,5) and R(-15,5)

Distance between S and R is given by,

`\sqrt{ {(x2 - x1)}^(2) + {(y 2 - y1)}^(2) } \\ \sqrt{ {(20 - ( - 15))}^(2) + {(5 - 5)}^(2) } \\ \sqrt{ {(20 + 15)}^(2) + 0} \\ \sqrt{ {(35)}^(2) } = 35units`