Answer: 33.3%
Step-by-step explanation: I did this on saavas. also for part b the answer is 32.5.
Answer:
AC ≈ 12.9 cm
Step-by-step explanation:
Using the ratio
sin40° = 
Multiply both sides by 20
20 × sin40° = b, hence
AC = b = 20 × sin40° ≈ 12.9
It would be .345% because to change it to a percent all you have to do is move the decimal point two places to the right.
I don't think all of the answer choices are here since they are all the same except for 4. However, the best statement to describe a polygon is that it is a closed plane figure with three or more sides that are straight. The correct answer is A.