Find the distance between each pair of points whose coordinates are given Express answers in simplest radical form

Question

1.(9,7),(1,1)
2.(5,2),(8,-2)
3.(1,-3, (1,4)

Answer 1

1) Let the points are and .

Distance formula

2) Let the points are and .

3) Let the points are and .

Distance in simplest radical form is

1)

2)

3) .