Answer:
Step-by-step explanation:
step 1
Find the lateral area
we know that
The lateral surface of a square pyramid is equal to the area of its four lateral triangular faces
so
where
----> slant height
substitute the values
step 2
Find the cost
1 1/2
because when you divide 7.5 by 5 you get 1.5
i think you wrote the equation wrong because the answer is 106
10+(1/2)4x48 solve using system of equations
multiplying is first (1/2)x4=2
10+2x48
multiply again 2x48=96
10+96=106
Hi b