Respuesta :

Answer:

a.11.8

Step-by-step explanation:

You can plug in any of the numbers with second cos to figure this out. cos^-1 (10/11.8) is equal to 32. Which is the angle. So A has to be the answer.

Also cant be c or d because the hypotenuse is larger then any of the other sides.

With B it is about 35