Classify Triangles Worksheet

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

1 a.
1 b.
1 c.
2 a.
2 b.
2 c.
3 a.
3 b.
3 c.
Page 2

Answer Key

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

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