Answer:
2826 inches^2
Step-by-step explanation:
The general formula for the total surface area of a regular pyramid is
T.S.A.=12pl+B
Where p represents the perimeter of the base, l the slant height and B the area of the base.
The perimeter of the base is.
p=2L+2W
P=2*10+2*9
P=20+18
P= 38 inches
The area of the base is.
B=10*9
B=90in^2
T.S.A.=12(38)(6)+90
T.S.A=2736+90
T.S.A=2826 inches^2
Hence the paper needed is 2826 inches^2
No if it it was 16.450 then it would be equal to 16.45
Part A:You'll put 8 books on each shelf.
To do this, all I had to do was find the greatest common factor(GCF) of 32 and 56 which is 8. You have to do that because you had to find a number that divided evenly between 32 and 56.
Part B: Mystery Books:4
Biography Books: 7
Answer:
Option D is the right answer
