Classify Triangles Worksheet

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

1 a.

1 b.

2 a.

2 b.

3 a.

3 b.

4 a.

4 b.

5 a.

5 b.

6 a.

6 b.

7 a.

7 b.

8 a.

8 b.

9 a.

9 b.

10 a.

10 b.

Page 2

Answer Key

1 a.	scalene, right

1 b.	isosceles, obtuse

2 a.	scalene, acute

2 b.	scalene, obtuse

3 a.	isosceles, acute

3 b.	scalene, right

4 a.	scalene, obtuse

4 b.	isosceles, acute

5 a.	isosceles, obtuse

5 b.	scalene, acute

6 a.	isosceles, obtuse

6 b.	scalene, obtuse

7 a.	equilateral, acute

7 b.	scalene, right

8 a.	isosceles, right

8 b.	scalene, acute

9 a.	scalene, acute

9 b.	scalene, acute

10 a.

isosceles, obtuse

10 b.

scalene, right

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