Triangle Classification Worksheet
A Grade 6 math worksheet focused on classifying triangles by their sides and angles, including equilateral, isosceles, scalene, acute, obtuse, and right triangles.
Includes
Standards
Topics
Triangle Classification
Name:
Date:
Score:
Read each question carefully and classify the triangles based on their side lengths and angle measures. Provide detailed answers where required.
1. A triangle with all three sides of equal length is called:
Isosceles triangle
Scalene triangle
Equilateral triangle
Right triangle
2. Which type of triangle has one angle greater than 90 degrees?
Acute triangle
Obtuse triangle
Right triangle
Equilateral triangle
3. A triangle with two sides of equal length is called an triangle.
4. All angles in an acute triangle are 90 degrees.
5. Classify the triangle shown below by its sides and angles:
Classification by sides:
Classification by angles:
6. Classify the triangle shown below by its sides and angles:
Classification by sides:
Classification by angles:
7. A scalene triangle can also be an isosceles triangle.
True
False
8. An equilateral triangle is always an acute triangle.
True
False
Match each triangle classification with its definition.
9. Equilateral
a. All angles are less than 90 degrees.
10. Scalene
b. All three sides are equal in length.
11. Obtuse
c. One angle is exactly 90 degrees.
12. Right
d. All three sides are different lengths.
Related Worksheets
Angle Identification Worksheet
Identify and classify different types of angles, including acute, obtuse, right, and straight angles.
Introduction to Fractals
Explore the fascinating world of fractals, self-similar geometric shapes, with this engaging Grade 6 math worksheet.
Introduction to Fractals
Explore the fascinating world of fractals, self-similar geometric shapes, with this engaging Grade 6 math worksheet.
Lateral Area Practice
This worksheet provides practice problems on calculating the lateral area of various three-dimensional shapes, suitable for 6th-grade math students.
Area Formulas Worksheet
A Grade 6 math worksheet covering the area formulas for rectangles, triangles, and parallelograms with practice problems.
Slicing 3D Figures Worksheet
Explore how different 3D figures can be sliced to reveal 2D cross-sections.
Intersecting Chords Worksheet
Practice problems for understanding and applying the intersecting chords theorem in circles.
Altitude of a Triangle Worksheet
Explore the concept of altitude in different types of triangles, including right, acute, and obtuse triangles, with this Grade 6 math worksheet.