Question

Find the value of x. Round to the nearest tenth. Answers A-12.5 B-10 C-13 D-9.7!

Answer 1

A b c d e f g h r n s s

Answer 2

Answer:   A.  12.5

Step-by-step explanation:

$cos\ \theta=\dfrac{adjacent}{hypotenuse}\\\\\\cos\ 28^o=\dfrac{11}{x}\\\\\\\rightarrow\ x=\dfrac{11}{cos\ 28^o}\\\\\\\rightarrow\ x=12.46\\\\\\\rightarrow\ \boxed{x=12.5}\qquad rounded\ to\ the\ nearest\ tenth$