Answer:
x ≈ 14.4 cm
Step-by-step explanation:
the third angle of the triangle = 180° - 40° - 46° = 94°
Using the Sine rule in the triangle
=
( cross- multiply )
x × sin94° = 20 × sin46° ( divide both sides by sin94° )
x = ≈ 14.4 cm ( to the nearest tenth )