# Comparing & classifying right angled triangles and equilateral triangles

## Lesson details

### Key learning points

1. In this lesson, we look at a range of triangles and take a closer look comparing a right angled triangle with an equilateral triangle.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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## Worksheet

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## Exit quiz

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### 6 Questions

Q1.
Which properties do all triangles have?
2 sides and 3 vertices
3 sides and 2 vertices
Correct answer: 3 sides and 3 vertices
4 sides and 4 vertices
Q2.
What is the name given to a regular triangle?
Regularity
Right angled triangle
Trapezium
Q3.
Which of the statements best describe an equilateral triangle?
1 angle equal to 90 degrees
2 angles equal to 180 degrees
Correct answer: 3 angles, where each angle is equal to 60 degrees
3 sides with different measurements
Q4.
Which statement best describes a right angled triangle
Correct answer: 1 angle that measures to 90 degrees
3 angles that measure exactly the same
A triangle with a width of 10cm
A triangle with three 60 degree angles
Q5.
It is possible to create a large equilateral triangle from either...
2 or 4 smaller equilateral triangles
3 or 5 smaller equilateral triangles
Correct answer: 4 or 9 smaller equilateral triangles
6 or 9 smaller equilateral triangles
Q6.
If a triangle has the angles: 60 degrees and 30 degrees, what is the 3rd angle?
180 degrees
30 degrees
60 degrees