# Calculating angles within a shape (Part 2)

## Lesson details

### Key learning points

1. In this lesson, we will learn about different types of quadrilaterals and how to calculate angles within composite shapes.

### 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.

## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
What type of triangle has 3 different angles and 3 different sides
equilateral
isosceles
right angle
Q2.
What do angles inside a triangle add up to?
360°
90°
Q3.
What are the size of the angles within an equilateral triangle?
180°
It's impossible to work out without one angle
Q4.
What is the size of angle a?
105°
115°
90°
Q5.
What is the size of angle b?
115°
65°
90°

## Exit quiz

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### 5 Questions

Q1.
What type of quadrilateral has 4 equal sides and 4 equal angles?
parallelogram
rectangle
rhombus
trapezium
Q2.
What type of quadrilateral has 4 equal sides and 2 pairs of parallel sides?
parallelogram
rectangle
square
trapezium
Q3.
What type of quadrilateral has 2 pairs of equal angles and 2 pairs of equal parallel sides?
rectangle
rhombus
square
trapezium
Q4.
180°