Question

On a number line, the coordinates of A, B, C, and Dare -6, -2, 3, and 7, respectively. Find

the lengths of the two segments. Then tell whether they are congruent.
9. AB and CD
10. AC and BD
11. BC and AD

Answer 1

9: not congruent AB=-8 and CD=10

10: not congruent AC=-3 and BD=5

11: congruent BC=1 and AD=1