Understanding Scale Factors in Geometry

Measurable distances provide accurate scale factors.

Diagonals are always longer.

Measurable distances are always shorter.

Diagonals are easier to measure.

Curved lines

Random points

Diagonal lines

Horizontal and vertical lines

The curve of a circle

The length of a diagonal

The angle between two lines

The height of a vertical line

Add the dimensions together

Multiply the dimensions by a random number

Divide one dimension by the other

Subtract the smaller dimension from the larger one

0.5

2

1.5

1

2

1.5

1

0.5

It enlarges.

It remains the same size.

It becomes a different shape.

It shrinks.

To ensure the shape changes size proportionally.

To make the shape look different.

To make the shape disappear.

To change the shape's color.

3

12

9

1

The shape doubles in size.

The shape becomes a different shape.

The shape remains unchanged.

The shape shrinks to half its size.