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# Shapes, shape names and list of shapes

Theory & Practice Questions.

## Theory

### [Definition]

#### Properties

##### Parallelogram Opposite sides are equal and parallel.
Opposite angles are equal.

##### Rhombus Opposite sides are parallel.
All sides are equal.

##### Rectangle Opposite sides are parallel and equal.
Each angle is a right angle.

##### Square Opposite sides are parallel.
All sides are equal.
Each angle is a right angle.

##### Kite Each two pairs of consecutive sides are equal.

##### Trapezium Only one pair of opposite sides are parallel.

## Example

### [Investigation]

#### Identify, compare and describe quadrilaterals Can you name all of these quadrilaterals?

Which of these have equal opposite sides?

Which of these have equal opposite angles?

Which of these have right angles?

## Question

Identify, compare and describe the following quadrilaterals  • The shape on the left:
• The shape on the right:

## Explanation

The shape on the left is a kite, it has 2 pairs of equal and adjacent sides, and a pair of equal obtuse angles, and 2 acute angles.

The shape on the right is a trapezium, it has 1 pair of parallel lines, 2 obtuse angles and 2 acute angles.