📐 Part 1: Triangle Type Identification

1. Which triangle has all three sides equal in length?

Scalene triangle

Isosceles triangle

Equilateral triangle

Right-angled triangle

2. A triangle with exactly two equal sides is called a/an _____________ triangle.

3. Which properties apply to ALL triangles? (Tick all that apply)

Interior angles sum to 180°

Has three sides

Has at least one right angle

Has three vertices

All sides are equal

4. A triangle with no equal sides is called a _____________ triangle.

5. True or False: A right-angled triangle can also be an isosceles triangle.

True

False

🔍 Part 2: Comparing Triangle Properties

6. Draw and label one example of each triangle type in the boxes below:

Equilateral Triangle

Isosceles Triangle

Scalene Triangle

Right-angled Triangle

7. Compare an equilateral triangle and an isosceles triangle. Write one similarity and one difference:

Similarity: ________________________________________________

Difference: ________________________________________________

8. Explain why the sum of interior angles in any triangle is always 180°:

📊 Part 3: Venn Diagram Challenge

9. Complete this Venn diagram comparing "Triangles with equal sides" and "Triangles with a right angle". Write the triangle types in the correct sections:

Triangle types to place: Equilateral, Isosceles, Scalene, Right-angled

10. Using mathematical vocabulary, describe what makes each triangle type unique:

Triangle Types Comparison

Triangle Types Comparison

📐 Part 1: Triangle Type Identification

🔍 Part 2: Comparing Triangle Properties

📊 Part 3: Venn Diagram Challenge

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