Answer:
15.867
lbs or almost
16
lbs.
Step-by-step explanation:
It isn't because, it isn't consistent, and it doesn't follow any of the other answer choices. :)
I would classify that shape as a pentagon because it has 5 sides/edges.
It is shaped like the houses in the old times.
Hope I helped :) :)
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