Work out the size of angle A. А 11 cm 9 cm 38° B С

Answer:
[tex]A= 93°[/tex]
Step-by-step explanation:
analysis:
according ABC is a triangle
AB-11cm AC-9cm ABC=38
sin 38° =0.62
AB:sinC-AC:sin 38
sinC-AB x sin 38°+AC=11 x 0.62 +9 -0.76
so 2C-49°
then angle A=180-38-49-93