Question

What is the distance between A(6, 2) and B(9, 12)? Round to the nearest tenth.

Answer 1

Use the distance formula:

d = $\sqrt{(x2-x1)^2+(y2-y1)^2}$
d = $\sqrt{(9-6)^2 + (12 - 2)^2}$
d = $\sqrt{(3)^2+ (10)^2}$
d = $\sqrt{9 + 100}$
d = $\sqrt{109}$
d = 10.4

Hope this helps :)