Answer:
a=5.81
Step-by-step explanation:
We want to solve for the value of a in the expression:
[TeX]\frac{sin 45}{a}=\frac{sin 77}{8}[/TeX]
Cross Multiply
8 X sin 45=a X sin 77
Divide both sides by sin 77° to obtain a.
[TeX]a=\frac{8 X sin 45}{sin 77}[/TeX]
a=5.81
