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Classifying Triangles by Side Lengths

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which triangle is classified as equilateral?

a)

Triangle I

b)

Triangle II

c)

Triangle III

d)

None of the above

2.

Which triangle is classified as scalene?

a)

Triangle I

b)

Triangle II

c)

Triangle III

d)

None of the above

3.

How can a traffic sign triangle also be classified as an isosceles triangle?

a)

Because it has two sides with the same length.

b)

Because it has all sides with different lengths.

c)

Because it has four equal sides.

d)

Because it has no equal sides.

4.

According to the image, what type of triangle is AED?

a)

Triangle AED is an isosceles triangle, but not equilateral.

b)

Triangle AED is a scalene triangle.

c)

Triangle AED is an equilateral triangle.

d)

Triangle AED is a right triangle.

5.

Triangle AED is which type of triangle?

a)

Isosceles, but not equilateral

b)

Equilateral

c)

Scalene

d)

Right

6.

Is it true or false that triangle ABC is equilateral but not isosceles?

a)

False

b)

True

c)

Cannot be determined

d)

Only if all sides are equal

7.

Is triangle AED an equilateral triangle?

a)

No, it is not equilateral

b)

Yes, it is equilateral

c)

Only if all angles are equal

d)

Only if all sides are different

8.

Why is it important to classify triangles based on their sides and angles?

a)

It helps in understanding their properties and solving geometric problems.

b)

It makes them easier to color.

c)

It allows you to use a ruler more efficiently.

d)

It helps in drawing circles.

9.

Which of the following is a type of angle that can be found in triangles?

a)

Acute

b)

Parallel

c)

Curved

d)

Circular

10.

Why is it important to observe different types of triangles in geometric figures?

a)

To understand that a single geometric figure can have many variations and be used to create complex and expressive images

b)

To memorize the names of triangles only

c)

To ignore the differences between shapes

d)

To focus only on squares and rectangles