### Home > CCG > Chapter 3 > Lesson 3.1.1 > Problem 3-5

3-5.

Plot triangle formed with the points

*,*

*, and*

*, on graph paper. Use the method used in problem 3-2 to enlarge it from the origin by a factor of*

*.*

What are the side lengths of the original triangle,

? Find

by using the Pythagorean Theorem. For this triangle,. What are the side lengths of the enlarged triangle,

*?*Find

by using the Pythagorean Theorem.,, Find the area and the perimeter of

*.*

Use the eTool below to plot triangle and then enlarge from the origin.

Click the link at right for the full version of the eTool:

*3-5 HW eTool*