Answer:

Step-by-step explanation:
we know that
The volume of a pyramid is equal to

where
B is the area of the base of the pyramid
h is the height of the pyramid
Find the area of the base B

we have

substitute the values

It is c, 2 -4 no solution
N^2 - 4n + n^2 + 8n = n^2 - 13n + n^2 + n + 16
-4n + 8n = -13n + n + 16
-4n = -12n + 16
4n + 12n = 16
16 = 16
n = 1
Hello,
There is a mistake: it is 816 cm² !!! (an area)
length are multiplied by 2,
so area are mutiplied by 2²=4
Area B=816*4=3264 (cm²)
Answer: C
Step-by-step explanation: l-7&!: