11, because if you count the numbers between 28 and 39. It would be 11.☺️
Answer:
The surface area is
Step-by-step explanation:
we know that
The surface area of the square pyramid is equal to
where
b is the length side of the square base
h is the height of the lateral triangular face
we have
Applying Pythagoras Theorem find the value of h
substitute in the formula
2 root 5 is the simplified version
Answer:
yes
Step-by-step explanation:
Answer:
B. The argument is invalid because the conclusion does not follow the premises. Hope this helps! :)
Step-by-step explanation: