### Home > GC > Chapter 2 > Lesson 2.1.1 > Problem 2-10

2-10.

“My triangle has only one line of symmetry. What is it?”

“My triangle has three lines of symmetry. What is it?”

“My quadrilateral has no lines of symmetry but it does have rotation symmetry. What is it?”

Think of different types of triangles.

Find the number of lines of symmetry for each type of triangle.