Respuesta :

tan(40)= x/20 => x= tan(40).20= 16,78
Ok done. Thank to me:>

Answer:

x=16.782

Step-by-step explanation:

a=40*

b=20

c=90*

d=40* (corner in lower right corner, we know it equals 40* because all triangles equal 180*)

e=26.108 (bottom side)

Hope this helps! BH