According to the question,
Answer:
What don't you understand
Step-by-step explanation:
Answer:
The answer is 16%
Step-by-step explanation:
use the percent error formula.

in this problem,
e= 75
t=90
substitute and solve.

16%
we are dealing with percents so rounding to nearest whole number will suffice.
hope this helps!
Answer:
AB ≈ 4.41
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos25° =
=
=
( multiply both sides by AB )
AB × cos25° = 4 ( divide both sides by cos25° )
AB =
≈ 4.41 ( to the nearest hundredth )