### Home > GB8I > Chapter 7 Unit 8 > Lesson INT1: 7.2.3 > Problem 7-109

7-109.

Consider ,

*, and*

*.*

Draw

on graph paper. Is a right triangle? Justify your answer. Reflect

across to create. Find the location of . What kind of triangle is? Justify your answer. Compare the slopes of

and. What do you notice?

What does that tell you about these lines?When a figure is reflected what is true about the corresponding angles?

What about corresponding sides? Specifically how doescompare to and to?Use the eTool below to help solve the problem.

Click the link at the right to view full version of the eTool: