Question

The diagram shows a right-angled triangle.

20 cm
11 cm
to
Find the size of angle x.
Give your answer correct to 1 decimal place.

Answer 1

x = 61.2°

Explanation:

Applies the tangent trigonometric ratio

`tan(x)=(20)/(11) =1.818`

`x=tan^(-1) (1.181)=61.2^(0)`

Hope this helps