Classify Triangles Worksheet

Classify the triangles by their angles (acute, right, obtuse).

1 a.
1 b.
2 a.
2 b.
3 a.
3 b.
4 a.
4 b.
Page 2

Answer Key

1 a.  acute
1 b.  right
2 a.  acute
2 b.  obtuse
3 a.  obtuse
3 b.  obtuse
4 a.  right
4 b.  acute

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