Question

What is the distance between the points (18, 39) and (3, 39) in the xy-plane?

A.
21 units
B.
36 units
C.
15 units
D.
7.5 units

Answer 1

C. 15 units,

Explanation:

The y coordinates are both 39 so the line joining the 2 points is a horizontal line.

Distance = 18-3 = 15.