### Home > INT2 > Chapter 6 > Lesson 6.2.4 > Problem6-88

6-88.

Remember that if a triangle has at least two congruent sides, it is called isosceles. Decide whether each triangle formed by the points below is isosceles. Explain how you decided.

1. $(6,0)$$(0,6)$$(6,6)$

1. $(-3,7)$$(-5,2)$$(-1,2)$

1. $(4,1)$$(2,3)$$(9,2)$

1. $(1,1)$$(5,-3)$$(1,-7)$

Use the eTool below to graph the points and view the triangles.
Click the link at right for the full version of the eTool: INT2 6-88 HW eTool