Answer:
Explanation:
Use the formula of distance between the two points
and
,
Distance =

1. Distance between A(3, 4) and B(8, 12),
AB =

AB =

=

≈ 9.43
2. Distance between C(-2, 10) and D(3, -2),
CD =

=

=

= 13.00
3. Distance between X(20, 4) and Y(17, 0),
XY =

=

=

= 5.00
4. Distance between E(2, -1) and M(6, 9),
EM =

=

=

= 10.77