### Home > MC2 > Chapter 2 > Lesson 2.3.1 > Problem2-101

2-101.

Draw a coordinate grid and plot the following points: $A(-1, -1),$ $B(2, 2),$ $C(4, -2)$. Connect the points. Which point could you move to make this an obtuse triangle (a triangle with one angle greater than $90°$)? What would be the new point? .

Use the eTool below to help solve the problem.
Click the link at right for the full version of the eTool: MC2 2-101 HW eTool