Question

The question above or below states

The triangle has an area of 90cm^2 what size can angle x be

Answer 1

`x=30°`

Explanation:

`Area=(18*20sinx)/(2) \\ \Leftrightarrow 90=(18*20sinx)/(2) \\ \Leftrightarrow sinx=(90*2)/(18*20)=(1)/(2)\\ \Leftrightarrow x=30°`