Question 1134787
Law Of Sines;  you can find angle measure at A using  {{{A=180-90-53.66}}}.


{{{b/sin(B)=a/sin(A)}}}

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{{{18.33/sin(53.66)=a/sin(36.34)}}}

{{{a=(sin(36.34)/sin(53.66))18.33}}}

{{{a=(0.59257/0.80551)18.33}}}

{{{highlight(a=13.48)}}}