Answer:
B = 56.25
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
cos theta = adjacent/ hypotenuse
cos B = 5/9
Take the inverse cos of each side
cos ^-1 (cos B) = cos ^-1 (5/9)
B =56.2510114
To the nearest hundredth
B = 56.25
