Answer:
S = 85cm^2
Step-by-step explanation:
The surface area of a square pyramid is given by the following formula:

where it has taken into account the sum of the area of a square and four triangles:

h: slant height = 6cm
b: base = 5cm
By replacing in the formula you obtain:

hence, the surface area is 85cm^2
Answer:
12354
Step-by-step explanation:
The smallest number with 12345 (I am assuming with out decimals) is
12345
If we switch the 5 and 4 we will get the second smallest number
12354
Answer:
77
Step-by-step explanation:
Answer: 2.5
Step-by-step explanation:
For this problem, we see that 4km is 1/2 of 8km.
So, we will have to find 1/2 of 5km.
1/2 of 5km = 2.5km
Your answer is 2.5km
Answer:
Number 4
Step-by-step explanation:
Option B would yield more in the short term but after Option A surpasses it, it would become more profitable.