Answer:
answer is b
Step-by-step explanation:
explanation in the pic!
Answer:
Step-by-step explanation::)
Please see pic, I'd solved in it.
tan 52 = 180/a; a = 180/tan 52
tan 43 = 180/b; b = 180/tan 43
you need to calculate, a-b = 180/tan 52 - 180/tan 43
substitute the value of tan thetas, and calculate it simply...