### Home > MC2 > Chapter 11 > Lesson 11.3.3 > Problem 11-112

11-112.

On a piece of grid paper, plot the following points and connect them: ,

*,*

*.*

What is the area of triangle

?Using the etool below plot points

, , and onto the grid where they

belong to form the triangle.What is the perimeter of triangle

?Draw a segment creating two right triangles.

Then use the Pythagorean Theorem to find

the lengths ofand .

Explore using the eTool below.

Click the link at right for the full eTool version: *MC2 11-112 HW eTool*