Question

A rectangular piece of cardboard measures 15 cm by 14 cm. What is the perimeter of the piece of cardboard?

Answer 1

The perimeter of a rectangle is given by the formula below.

`P=2b+2h`

In our case,

`\begin{gathered} b=15,h=14 \\ \Rightarrow P=2\cdot15+2\cdot14=30+28=58 \\ \Rightarrow P=58 \end{gathered}`

The answer is 58 cm