In this worksheet, we will practice classifying a triangle based on angles' shapes and equal sides.

**Q6: **

Which of the following describes the given shape?

- Aobtuse triangle
- Bright triangle
- Cisoceles triangle
- Dacute triangle
- Eequilateral triangle

**Q7: **

Which of the following describes the given shape?

- Aacute triangle
- Bright triangle
- Cisoceles triangle
- Dobtuse triangle
- Eequilateral triangle

**Q9: **

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

- A not equal in length
- B parallel
- C intersecting at one point
- D equal in length

**Q10: **

Which of the following describes the given shape?

- Aisoceles triangle
- Bscalene triangle
- Cobtuse triangle
- Dequilateral triangle
- Eright triangle

**Q11: **

Determine whether this statement is true or false: Some right triangles are isosceles.

- Atrue
- Bfalse

**Q12: **

Determine whether this statement is true or false: Some obtuse triangles are isosceles.

- Atrue
- Bfalse

**Q15: **

Is an equilateral triangle an isosceles triangle?

- Ayes
- Bno

**Q16: **

Could an isosceles triangle also be an equilateral triangle?

- Ano
- Byes

**Q18: **

Describe the triangle using an adjective from the list acute, right, obtuse and the list equilateral, isosceles, scalene.

- Aobtuse scalene
- Bright scalene
- Cacute scalene
- Dacute equilateral

**Q19: **

Determine whether this statement is true or false: All acute triangles are isosceles.

- Afalse
- Btrue

**Q20: **

Complete the following: Any triangle has at least acute angles.