![CPM Homework Banner](/dist/7d633b3a30200de4995665c02bdda1b8.png)
Home > CCG > Chapter 7 > Lesson 7.1.2 > Problem 7-20
7-20.
On graph paper, plot the points
Find
(the length of ). Use the Pythagorean Theorem to find the length of
. Locate the midpoint of
and label it . What are the coordinates of ? Use two congruent slope triangles to find the midpoint.
Find
. Can you do this without using the Pythagorean Theorem? Because C is the midpoint, what does that tell you about the length of
?
Use the eTool below to find the length and midpoint of
Click the link at right for the full version of the eTool: CCG 7-20 HW eTool (Desmos)