Respuesta :

Answer:

your answer will be a= 23.2

Step-by-step explanation:

hope this helps u have a great day ^_^

Answer:

A= 23.2

Step-by-step explanation:

[tex]a^2=b^2+c^2-2bc CosA[/tex]

[tex]a^2=11^2+19^2-2(11)(19)Cos 98[/tex]

[tex]a^2=121+361-418cos98[/tex]

[tex]a^2=121+361-(-58.17)[/tex]

[tex]\sqrt{a^2} =\sqrt{540.17}[/tex]

[tex]a=23.2[/tex]

[tex]-----------[/tex]

hope it helps..

have a great day!!