Answer:
A. 118°
B. 62°
C. 59°
Step-by-step explanation:
Hooe this helps!:) If you want me to explain just ask in the comments
P=44.6
P=a+b+√a^2+b^2=11+15+√11^2+15^2≈44.6
Remark
The best way would be to make a duplicate of this page and cut out the shapes. Then find out which ones fold into a cube. It would also be the most time consuming.
The second best way is to imagine how each flat surface would fold to make a cube. I think C would and D would. I don't think the other 2 would.
