Chapter 9, Lesson 3

9-3.A classify triangles by the number of congruent sides
Replace each __?__ with equilateral, scalene, or isosceles.
A triangle with exactly two congruent sides is called __?__ .
b. A triangle with no congruent sides is called __?__ .

9-3.B recognize patterns
Look at this pattern: ANGLEANGLEANGLE...
If this pattern continues, what letter will be in the 57th place?