Question

Find WX.Write your answer as an integer or as a decimal rounded to the nearest tenth.WX = ____

Answer 1

The give figure is of a triangle WXY right angled at X.

From the figure, WY=10 and

Using trigonometric property in the triangle,

`\cos \theta=\frac{\text{adjacent side}}{\text{hypotenuse}}`

Therefore, WX=7.2.