Home > GB8I > Chapter 7 Unit 8 > Lesson INT1: 7.1.7 > Problem 7-80
7-80.
On graph paper, plot the points
Calculate
(the length of ). Use the Pythagorean Theorem to find the length of
. Locate the midpoint of
and label it point . What are the coordinates of point ? Use two congruent slope triangles to find the midpoint.
Calculate
. Can you do this without using the Pythagorean Theorem? Because
is the midpoint, what does that tell you about the length of ?
Use the hints in the eTool below for parts (a-c).
Click on the link at right for the full eTool version: INT1 7-80 HW eTool