Classify Triangles Worksheet

Classify the triangles by their sides and angles (such as isosceles obtuse).

1 a.
1 b.
1 c.
2 a.
2 b.
2 c.
3 a.
3 b.
3 c.
4 a.
4 b.
4 c.
5 a.
5 b.
5 c.
6 a.
6 b.
6 c.
Page 2

Answer Key

1 a.  isosceles, acute
1 b.  isosceles, acute
1 c.  isosceles, acute
2 a.  scalene, obtuse
2 b.  isosceles, acute
2 c.  scalene, acute
3 a.  equilateral, acute
3 b.  isosceles, acute
3 c.  scalene, right
4 a.  scalene, acute
4 b.  scalene, obtuse
4 c.  isosceles, right
5 a.  scalene, obtuse
5 b.  scalene, right
5 c.  scalene, acute
6 a.  scalene, obtuse
6 b.  scalene, acute
6 c.  equilateral, acute


Copying permission: You are free to copy this worksheet to any number of students for their mathematics work. Do not distribute on websites, books, or any such material without permission. Copyright www.HomeschoolMath.net