Question

What is the distance between A(7, 4) and B(2, -8)?

Answer 1

13 units

Explanation:

Distance formula:

d =
`√((x_1 - x_2)^2 + (y_1 - y_2)^2)`

In this problem,

d =
`√((7 - 2)^2 + (4 - -8)^2)`

d =
`√((5)^2 + (12)^2)`

d =
`√(25 + 144)`

d = 
`√(169)`

d = 13