Question

Find the length of the missing side of the triangle below

Answer 1

x = 28.8

Explanation:

Using the Sine rule in the triangle then

`(43)/(sin87)` =
`(x)/(sin42)` ( cross- multiply )

x × sin87° = 43 × sin42° ( divide both sides by sin87° )

x =
`(43sin42)/(sin87)` = 28.8