# Worksheet: Types of Triangles: Sides

In this worksheet, we will practice classifying triangles as equilateral, isosceles, or scalene by considering the lengths of their sides.

**Q1: **

What kind of triangles have all sides of the same length?

- Ascalene triangles
- Bequilateral triangles
- Cisosceles triangles
- Dright triangles

**Q2: **

If , , and , what is the type of in terms of its side lengths?

- Ascalene triangle
- Bisosceles triangle
- Cequilateral triangle

**Q3: **

What type of triangle is , in terms of its side lengths?

- Aisosceles triangle
- Bscalene triangle
- Cequilateral triangle

**Q4: **

Suppose that in , we have , , and . What kind of triangle is this, in terms of its side lengths?

- Aan isosceles triangle
- Ban equilateral triangle
- Ca scalene triangle

**Q5: **

If , , and , what is the type of in terms of its side lengths?

- Ascalene triangle
- Bisosceles triangle
- Cequilateral triangle

**Q6: **

What type of triangle is , in terms of its side lengths?

- Aisosceles triangle
- Bscalene triangle
- Cequilateral triangle

**Q7: **

Are the number of lines of symmetry of a scalene triangle less than, equal to or greater than the number of lines of symmetry of an isosceles triangle?

- AGreater than
- BEqual to
- CLess than

**Q8: **

Are the number of lines of symmetry of an isosceles triangles less than, equal to or greater than the number of lines of symmetry of an equilateral triangle?

- AEqual to
- BLess than
- CGreater than

**Q10: **

Complete the following: An equilateral triangle is a triangle whose sides are .

- Aintersecting at one point
- Bequal in length
- Cnot equal in length
- Dparallel

**Q11: **

Is an equilateral triangle an isosceles triangle?

- Ayes
- Bno

**Q12: **

Could an isosceles triangle also be an equilateral triangle?

- Ano
- Byes