You have to get x alone and then do the rest of the steps
X=12 cause i looked it up online
1. Rational
2. Irrational
3. Rational
4. Rational
The middle section is n(n+1)
The top row is n+2
The bottom row is 2n+1
So the rule for the total number of tiles will be the sum of the above rules...
s(n)=n(n+1)+n+2+2n+1
s(n)=n^2+n+n+2+2n+1
s(n)=n^2+4n+3
Answer:
12.375
Step-by-step explanation:
Length x Width
L x W
4.5*2.75 = 12.375