# Calculating angles within a shape 3

## Lesson details

### Key learning points

1. In this lesson, we will learn about parallel lines, their angles and how we can use this information 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 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°
90°
Q5.
What is the size of the missing angle in this quadrilateral with angles: 90°, 120°, 40°, ?
250°
360°

## Exit quiz

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### 3 Questions

Q1.
How many parallel lines are in a trapezium
1
2
2 pairs
Q2.
Is this statement true always, sometimes or never? "A parallelogram has right angles"
2 pairs
always
never