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Grade 6 Triangle Properties Worksheet

Explore and identify different types of triangles based on their sides and angles, and understand the sum of angles in a triangle.

Grade 6 Math GeometryTriangle Properties
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerCustom

Standards

CCSS.MATH.CONTENT.6.G.A.1

Topics

mathgeometrytrianglesgrade 6
7 sections · Free to use · Printable
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Triangle Properties

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Read each question carefully and answer to the best of your ability. Show your work where necessary.

1. Which type of triangle has all three sides of different lengths?

a

Equilateral triangle

b

Isosceles triangle

c

Scalene triangle

d

Right triangle

2. What is the sum of the interior angles of any triangle?

a

90 degrees

b

180 degrees

c

270 degrees

d

360 degrees

3. A triangle with two sides of equal length is called an   triangle.

4. A triangle with one angle greater than 90 degrees is an   triangle.

5. An equilateral triangle has three equal angles.

T

True

F

False

6. A right triangle can also be an obtuse triangle.

T

True

F

False

7. If a triangle has angles measuring 45 degrees and 60 degrees, what is the measure of the third angle?

8. Describe the properties of a scalene triangle.

Identify each triangle below as equilateral, isosceles, scalene, acute, obtuse, or right.

6 cm6 cm6 cm

Type:  

8 cm10 cm6 cm

Type: