Name:. ________________
.
.
.
TRIANGLE #_____
Hour: ._____
.
.
.
.
.
.
.
Triangle
Packet
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
Triangles:
1 through 18
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
1
TRIANGLE #_____
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
2
TRIANGLE #_____
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
3
TRIANGLE #_____
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
4
TRIANGLE #_____
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
5
TRIANGLE #_____
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
TRIANGLE #_____
6
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
7
TRIANGLE #_____
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
TRIANGLE #_____
8
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
TRIANGLE #_____
9
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
TRIANGLE #_____
10
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
11
TRIANGLE #_____
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
12
TRIANGLE #_____
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
13
TRIANGLE #_____
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
14
TRIANGLE #_____
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
TRIANGLE #_____
15
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
TRIANGLE #_____
16
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
17
TRIANGLE #_____
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
18
TRIANGLE #_____
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1. The area of the above triangle is
2. Angle 1
3. Angle 2
4. Angle 3
square units.
o
7. Side 1
units long.
8. Side 2
units long.
9. Side 3
units long.
o
o
5. The sum of
the three angles is
o
.
6. Using your angle measures,
classify the triangle as either a:
Right Triangle
Acute Triangle
Obtuse Triangle
Copyright © 2002 Mathematics Learning
10. The perimeter
of this triangle is
units.
11. Using your measurements,
classify the triangle as either a:
Scalene Triangle
Isosceles Triangle
Equilateral Triangle