Scale Factor test questions

1

The rectangle shown is enlarged using scale factor 3. What is the new length of the longer sides?

5cm by 6cm rectangle

2

The rectangle shown is reduced using scale factor \(\frac{1}{2}\)

What is the new length of the longer sides?

10cm by 14cm rectangle

3

A measurement of \(12cm\) is enlarged using scale factor \(\frac{5}{2}\)

What is the new size of the measurement?

4

The sides of a rectangle measure \(18cm\) and \(6cm\)

If the rectangle is to be enlarged using scale factor \( \frac {3}{2}\) what will be the new lengths of the sides?

5

The sides of a rectangle measure \(21\,cm\) and \(15cm\)

If the rectangle is to be reduced using scale factor \(\frac{2}{3}\) what will be the new lengths of the sides?