Answer:
A) 12.4 would be the best answer.
Step-by-step explanation:
Angle B = 16 Degrees and 45 Seconds
= 16.75 Degrees.
to find the length of side (a), we need to use the Cos function.
Cos 16.75 = about 0.95
Now, 12.4 / 13 is about 0.95, using the graphic calculator.
