McGraw-Hill Education GRE 2019

Distance Between Two Points

You can use the Pythagorean theorem to calculate the distance between two points

on the coordinate plane. For example:

What is the distance between (1,3) and (4,7)?

Step 1: Plot the two points.

(1, 3)

(4, 7)

y

x

Step 2: Connect the two points to create a right triangle.

(1, 3) (4, 3)

(4, 7)

y

x

CHAPTER 13 ■ GEOMETRY 437

04-GRE-Test-2018_313-462.indd 437 12/05/17 12:06 pm