Classify Triangles Worksheet

Classify the triangles by their angles (acute, right, 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.  right
1 b.  acute
1 c.  obtuse
2 a.  acute
2 b.  acute
2 c.  acute
3 a.  acute
3 b.  acute
3 c.  acute
4 a.  right
4 b.  acute
4 c.  acute
5 a.  acute
5 b.  obtuse
5 c.  right
6 a.  acute
6 b.  obtuse
6 c.  acute


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