Question

Baileigh is using a piece of string to hang a painting on the wall. The back of the painting is diagrammed below.

36 cm 36 cm



15 cm
15 cm
Note: Figure is not drawn to scale.

What is the length of the string?

Answer 1

We can use Pythagoras to find this out

The length of each string would be : 
x^2  = 36^2 + 15^2

x^2  = 1521

x    =   √1521
      = 39

Total length of the string  = 39 + 39

= 78 centimeters