Number of proper subsets = 2^number of elements- 1
= 2^n - 1
No of elements = 4
2^4-1 = 16-1 = 15
The diagonal of the square is 9.1?
Answer:
y x
Step-by-step explanation:
just guessing
You first need to break each shape down. for example in the top right corner you have a pyramid and a triangular prism. find the area for those two shapes and add them together and you will have the surface area for the entire shape
Answer:
Step-by-step explanation: