d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.
step-by-step explanation:
10 down (bang1)
5 up
5down (2)
2.5 up
2.5 down (3)
1.25 up
1.25 down (4)
now add them up : )
hoped i lol
the answer is 21%.
answer: 3.26019516