Answer:
Angles in a pentagon add to 540 degrees.
100+80+160+91+x =540
431+x=540
109=x
Hope this helps!
What you have here is the fibonacci sequence.
Each number in the sequence adds itself to the number before it.
1+1 = 2
1+2 = 3
3+2 = 5
5+3 = 8
8+5 = 13
the sequence is 0,1,1,2,3,5,8,13
Circumference because if you rolled the parallelogram into a circle, the dotted line would go around the outside of it.
Answer:
1.83
Step-by-step explanation: