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.
Page 2

Answer Key

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


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