Respuesta :

Answer:

15 i think good luck

Step-by-step explanation:

gnnenu

Answer:

15°

Step-by-step explanation:

m<B: Supplementary: 180°-110°=70°

Triangles have an inner angle of 180°. Using this, you can then do:

180°-70°-(30°+20°)=60°

3x+x=60°

4x=60°

x=15°