### Home > INT2 > Chapter 2 > Lesson 2.2.1 > Problem 2-51

2-51.

Plot triangle with vertices

*,*

*, and*

*on graph paper. Using the origin as the point of dilation, enlarge it 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.Calculate the area and the perimeter of

.

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

Click the link at right for the full version of the eTool: *Int2 2-51 HW eTool*