Question

HELP!!!!

What’s the length of a segment that begins at the point (4,7) and ends at the point (13,19)?
A. 24
B. 15
C. 20
D. 18

Answer 1

Explanation:

You just need the distance formula here. It's very simple to follow:

`d=\sqrt{(x_(2)-x_(1))^2+(y_(2)-y_(1))^2    }`

which, for us, looks like this:

`d=√((13-4)^2+(19-7)^2)` and

`d=√(9^2+12^2)` and

`d=√(81+144)` and

`d=√(225)` so

d = 15