This task is about using trigonometry to calculate lengths of a triangle.
[Not drawn to scale]
Maia is drawing a pattern so she can make two sails for her yacht.
She calculates the lengths of sides x and y using the measurements above and trigonometry.
a) 
Calculate the length of side x. Use the space provided to show your working.
Length of side x = __________ metres.


b)  i) 
Use trigonometry to show two different ways Maia could find the length of side y.
Use the numbers in the diagram above.


ii)

Use one of your methods to calculate the length of side y.
Length of side y = ________ metres.
