1. Objective - To classify triangles.
Triangle Names
Angle
Name
Acute
- All angles
less than 90 .
Right
- Only One
angle equal to 90 .
Obtuse
- Only One
angle more than 90 .
Side
Name
- All
three sides equal.
Equilateral
Isosceles
- Two
sides equal.
Scalene
- No
equal sides.

2. Classify each triangle. Write isosceles, scalene or equilateral.1) 3) 5 7 11 3 4
Isosceles
Scalene 2) 4) 3 8 9
Equilateral
Scalene

3. Classify each triangle. Write right, acute or obtuse.1) 3)
Obtuse
Right 2) 4)
Acute
Obtuse

4. Classify each triangle. Write isosceles, scalene
or equilateral. 1) 3) 12 5 2 5 13 8
Scalene
Scalene 2) 4) 8 8 6 6
Isosceles
Isosceles

5. Classify each triangle. Write right, acute or obtuse.1) 3)
Acute
Right 2) 4)
Acute
Right