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.

right

1 b.

obtuse

2 a.

acute

2 b.

acute

3 a.

acute

3 b.

right

4 a.

acute

4 b.

obtuse

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